Rawalpindi Board 2nd year all Computer Science MCQS.

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Rawalpindi Board 2nd year Computer Science all past papers MCQS.

1 / 123

1. The data type in C that can handle fractional values is called:

a) float

b) int

c) long

d) char

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2. The process of arranging data in a logical sequence is called:

a) summarizing

b) data capturing

c) classifyimg

d) sorting

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3. The extension of image file is:

a) .ppt

b) .exl

c) .bmp

d) .doc

4 / 123

4. An array script should be:

a) float

b) double

c) an array

d) int

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5. Global variable are created in:

a) cache

b) RAM

c) ROM

d) hard disk

6 / 123

6. The fopen() funtion used_________ parameters?

a) 2

b) 5

c) 1

d) 4

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7. Format specifier is started with symbol:

a) &

b) %

c) *

d) ?

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8. A funtion does not return any value has return type

a) void

b) nothing

c) int

d) float

9 / 123

9. A database consist of various components called:

a) objects

b) entities

c) properties

d) tools

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10. The output of compiler is:

a) library code

b) object code

c) source code

d) linked code

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11. The default size of a text data type field is:

a) 2

b) 20

c) 5

d) 50

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12. Different attributes in two different tables having same name are called:

a) homonym

b) synonym

c) acronym

d) mutually exclusives

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13. Which of the fallowing is used associate entities with one another:

a) entity

b) relationship

c) attribute

d) relation

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14. _______ form of dependency removed in 3nf:

a) non functional

b) functional

c) partial

d) transitive

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15. stdio stand for:

a) string input output

b) start input output

c) simple input output

d) standard input output

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16. A funtion can return ________ value:

a) 3

b) 1

c) 4

d) 2

17 / 123

17. The graphical query tool is know as :

a) query grid

b) design form

c) query form

d) design grid

18 / 123

18. Switch statement is an alternative of:

a) nested loop

b) do_while loop

c) for loop

d) while loop

19 / 123

19. Which form of dependency removed in 2nf?

a) transitive

b) partial

c) functional

d) associative

20 / 123

20. ____ is a loop statement:

a) if else

b) for

c) if

d) switch

21 / 123

21. Duplicate data in multiple data files is called:

a) program dependency

b) data consistency

c) data redundancy

d) data integrity

22 / 123

22. The manipulated and processed data is called:

a) knowledge

b) object

c) information

d) data

23 / 123

23. In relational database a table is also called:

a) schema

b) relation

c) file

d) tuple

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24. In 3nf ,a non key attribute must not depend on a:

a) sort key

b) Non-key attribute

c) composite key

d) key attribute

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25. The example of popular DBMS is :

a) MS-execl

b) MS-power point

c) MS-acess

d) MS_word

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26. Which operation is performed by relational operator:

a) comparison

b) addition

c) division

d) subtraction

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27. A record may be based on :

a) bits

b) byte

c) table

d) field

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28. Which data type is used to define a field that consist of only number to be used in calculations?:

a) memo

b) number

c) date\time

d) text

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29. a+=b is equal to:

a) a=a+b

b) b+=a

c) b=b+a

d) a=+b

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30. Multiples copies of the same data is referred to as:

a) data isolation

b) data redundancy

c) data inconsistency

d) data integrity

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31.

What is the final value of I after executing the code : for(int i=1;i<=5;i+=2)

a) 5

b) 9

c) 6

d) 7

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32. Which of the following is a one -to-many relations :

a) person-date of birth

b) field

c) mother -daughter

d) Country-capital

33 / 123

33. Another term for conditional operator:

a) ternary

b) iteration

c) binary

d) byte

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34. Which keyword is not used in switch statement:

a) if

b) case

c) switch

d) default

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35. Which of the following function is used to write a character to a file:

a) getc()

b) putc()

c) fputs()

d) fgets()

36 / 123

36. In relation database, a single piece if information is called:

a) attribute

b) table

c) entity

d) records

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37. How many types of loop structure are in C -language?

a) 1

b) 4

c) 2

d) 3

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38. A built-in function:

a) can be redefined

b) exit do

c) cannot be redefined

d) end while

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39. Which programming structure executes program statements in order:

a) relation

b) decision

c) repetition

d) sequence

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40. In if statement false is represented by:

a) 4

b) 2

c) 3

d) 0

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41. One execution of a loop is know as a(n):

a) test

b) duration

c) iteration

d) cycle

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42. int is a____ in c?

a) keyword

b) first word

c) special word

d) cut word

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43. The maximum length of a text type field in MS-excess is:

a) 50

b) 255

c) 250

d) 155

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44. In c,the maximum length of variable name is:

a) 25

b) 31

c) 55

d) 255

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45. Which mode open only an existing file for both reading and writing:

a) "w"

b) "a"

c) "r+"

d) "w+"

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46. In E-R diagram a rectangle represents:

a) relationship

b) entity

c) record

d) attribute

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47. The loop which never end is called:

a) continuous loop

b) running loop

c) nested loop

d) infinite loop

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48. Which is numeric data type with decimal point:

a) float

b) int

c) char

d) long

49 / 123

49. One execution of a loop is know as(n):

a) iteration

b) test

c) duration

d) cycling

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50. In which loop condition comes after the body of loop:

a) while loop

b) nested loop

c) for loop

d) DO-while loop

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51. The programming structure used for a computer making decision is:

a) sequential

b) selection

c) repetition

d) iteration

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52. Which of the fallowing is valid character constant:

a) =

b) ‘@’

c) a

d) "c"

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53. A virtual table that is constructed from the other table is called:

a) view

b) table

c) tuple

d) report

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54. The column of a table is know as:

a) table

b) cell

c) record

d) field

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55. Function used for I/O are stored in:

a) stdio.h

b) conio.h

c) inout.h

d) math.h

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56. In which loop , statement terminators is a part of its syntax:

a) for

b) while

c) for-each

d) DO-while

57 / 123

57. In MS access ,table contains:

a) field

b) records

c) character

d) file

58 / 123

58. The format specifier %f is used for:

a) float

b) int

c) double

d) long

59 / 123

59. What is the variable that is used by function to receive an argument:

a) expression

b) constant

c) funtion

d) parameter

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60. Which file is used to store information that remain constant for a long time:

a) backup file

b) master file

c) transaction file

d) data file

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61. A loop with in a loop is called:

a) nested loop

b) infinite loop

c) complex loop

d) running loop

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62.

What is the value of ‘X’ after executing the following code? for(x=1;x<=7;x++)

a) 5

b) 7

c) 4

d) 8

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63. A table is a two dimensional structure that consist of:

a) rows and column

b) interaction of

c) x and y co-ordinate

d) matrix element

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64. In an E_R diagram , a rectangle represent:

a) entity

b) none

c) relationship

d) attribute

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65. A set of related files created and managed by a DBMS is called:

a) record

b) field

c) database

d) module

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66. Which is a loop stunt:

a) if

b) for

c) switch

d) if else

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67. Which statement is used for making two decision

a) nested -if

b) while

c) if-else

d) if

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68. To find all names start with M from student table ,the criteria is:

a) like"M?"

b) like"M-"

c) like"M#"

d) like"M*"

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69. In the statement FILE*FT, the*represents to:

a) multiplication

b) parameter

c) pointer

d) variable

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70. The output of a query is in the form of a:

a) form

b) query

c) macro

d) table

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71. A memory location with some data that can be changed is called:

a) constant

b) variable

c) address

d) named constant

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72. In if statement, true is represented by:

a) 3

b) 2

c) 1

d) 0

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73. Which of the following format specifier is used for character data type?

a) %c

b) %D

c) %s

d) %e

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74. A person name ,birthday and social security number are example of:

a) entities

b) relationship

c) descriptors

d) attribute

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75. Variables and constant name cannot contain a(n):

a) number

b) letter

c) period

d) underscore

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76. Relational operator allow you to _________ numbers:

a) compare

b) multiply

c) divide

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77. The output of compiler is called:

a) library code

b) linked code

c) source code

d) object code

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78. The case block ends with:

a) break

b) end select

c) case else

d) end case

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79. Which of the fallowing function is used to copy a string to an array of characters:

a) strcpy

b) strcp

c) strpcy

d) sopy

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80. A file is stored in :

a) cache

b) RAM

c) ROM

d) hard disk

81 / 123

81. In visual basic variable cannot contain:

a) underscore

b) letter

c) number

d) period

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82. _______ is not a database object:

a) MS word

b) table

c) query

d) report

83 / 123

83. The process of converting source code into object code is know as:

a) linking

b) executing

c) compiling

d) saving

84 / 123

84. Each separate piece of information stored in a record is called:

a) table

b) relation

c) form

d) field

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85. Which of the fallowing escape sequence can be used to begin a new line in c?

a) \a

b) \m

c) \n

d) \b

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86. Relational operator allow you to:

a) divide

b) multiply

c) add

d) compare

87 / 123

87. which of the fallowing is used to associate entries with one another:

a) identifier

b) entity

c) relationship

d) attribute

88 / 123

88. Which data type is the default data type:

a) auto number

b) number

c) memo

d) text

89 / 123

89. Which form of dependency is removed in 3NF:

a) transitive

b) associative

c) functional

d) partial

90 / 123

90. A logical group of character is a:

a) record

b) field

c) table

d) file

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91. A primary key that consists of more than one attribute is called:

a) foreign key

b) composite key

c) multi valued key

d) global key

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92. The “exe” file in visual basic is produced by:

a) compiler

b) linker

c) interpreter

d) loader

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93. Merging the relation is also know as:

a) view integration

b) view entities

c) view relations

d) view tables

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94. In counter loop it is important to declare________ and counter variable :

a) identify

b) specify

c) size

d) initialize

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95. Which form property will put text into title bar of the form:

a) header

b) text

c) boarder text

d) title

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96. In 2nf , which form of dependency is removed:

a) associative

b) non-functional

c) partial

d) transitive

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97. In switch statement , the case block ends with:

a) abort

b) stop

c) break

d) end

98 / 123

98. The”.exe” file is produced by:

a) loader

b) compiler

c) interpreter

d) linker

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99. The first line of funtion defination is know as:

a) arguments

b) funtion body

c) return type

d) funtion header

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100. Which of follwing is not a loop structure in c:

a) do-while

b) for

c) condition

d) while

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101. A constraint between two attributes is called:

a) relation constraint

b) functional dependency

c) attribute dependency

d) functional relation

102 / 123

102. If x=2 and y=3 , what will be the output of the expression :x>y?x+y:x*y;

a) 12

b) 6

c) 9

d) 7

103 / 123

103. Which loop structure always executes at least once?

a) while

b) for

c) DO-while

d) while wend

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104. The extension of C source program is:

a) .exe

b) .h

c) .obj

d) .C

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105. The target code produce by the compiler is:

a) library code

b) linked code

c) source code

d) object code

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106. Which function is used write character to a file:

a) fgets()

b) frintf()

c) fscan()

d) fputc()

107 / 123

107. The lowest level of programming is called:

a) pascal

b) java

c) assembly language

d) Fortran

108 / 123

108. Conditional operator is an alternative of:

a) if_else

b) do-while

c) for

d) for-each

109 / 123

109. While loop is also called:

a) counter loop

b) nested loop

c) conditional loop

d) wend loop

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110. Which of the fallowing may be temporary file:

a) office file

b) backup file

c) master file

d) transaction file

111 / 123

111. The smallest meaning full unit of data in a database is called:

a) byte

b) field

c) record

d) character

112 / 123

112. which of the follwing is used to associate entities with one another:

a) identifier

b) relationship

c) object

d) attribute

113 / 123

113. An attribute is also know as:

a) record

b) entity

c) field

d) relation

114 / 123

114. Which statment is used to move the control to the start of loop body:

a) switch

b) break

c) default

d) continue

115 / 123

115. Conditional operator takes :

a) two operands

b) one operands

c) three operands

d) four operands

116 / 123

116. Which function is used to display output on screen in C-language?

a) gets()

b) printf()

c) scanf()

d) print()

117 / 123

117. The extension of a header file is:

a) .h

b) .hf

c) .txt

d) .c

118 / 123

118. The number of bytes used by int data type in c is :

a) 8

b) 3

c) 2

d) 5

119 / 123

119. Formal arguments are also called:

a) referenced arguments

b) original arguments

c) dummy arguments

d) actual arguments

120 / 123

120. Microsoft access save the database with the extension:

a) .mxls

b) .madb

c) .msdb

d) .mdb

121 / 123

121. The data or information that describes an entity is called :

a) data item

b) record

c) tuple

d) attribute

122 / 123

122. A form within another form is called:

a) query grid

b) design form

c) design grid

d) query form

123 / 123

123. The foreign key is found in:

a) pivot table

b) parent table

c) dependent table

d) index table

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Rawalpindi Board 2nd year Computer Science Chapter 1

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Created on February 18, 2022 By

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Rwp_2nd_cs_1

Rawalpindi Board 2nd year Computer Science Chapter 1

1 / 57

1. Manipulation of data to achieve the required objectives and result is called

a) None

b) Data manipulation and operation

c) Data manipulation

d) Operation

2 / 57

2. A collection of related fields is called:

a) Character

b) Database

c) Record

d) File

3 / 57

3. A collection of data that consists of name, address and email of a person is called:

a) Character

b) Record

c) Field

d) Byte

4 / 57

4. A record in a database is the information refers to:

a) Event

b) All

c) Product

d) Person

5 / 57

5. A logical grouping of character is a

a) record

b) all

c) field

d) file

6 / 57

6. A field is to a record as

a) files are to table

b) data are to file

c) attribute are to columns

d) A column is to a row

7 / 57

7. a database containing all students in a class would store basic data of students in

a) record

b) file

c) field

d) cell

8 / 57

8. A data base containing all students in a class would store the information of individual students in

a) cell

b) file

c) field

d) record

9 / 57

9. Which of the following is also known as data set

a) field

b) file

c) module

d) record

10 / 57

10. A set of related files created and manage by a (DBMS) is called

a) field

b) module

c) database

d) record

11 / 57

11. Which of the following is an example of a database

a) library management system

b) account & inventory system

c) college management system

d) all

12 / 57

12. Which of the following used to describe the structure of a database

a) data structure

b) data model

c) data warehouse

d) data type

13 / 57

13. Which of the following data model is more flexible

a) relational model

b) hierarchical model

c) network model

d) a and b

14 / 57

14. Which of the following type of file require largest processing time

a) direct access file

b) sequential file

c) indexed sequential file

d) random file

15 / 57

15. Which of the following may be a temporary file?

a) transaction file

b) backup file

c) master file

d) none

16 / 57

16. SQL is a(n)

a) object oriented language

b) Un structured language

c) all

d) Structured language

17 / 57

17. SQL stands for

a) Sort Query Language

b) Seek Query Language

c) Self Query Language

d) Structured Query Language

18 / 57

18. SQL can be used to

a) create database structures only

b) query database data only

c) modify database data only

d) all

19 / 57

19. The type of files from functional point of view include

a) none

b) program file

c) both a and b

d) data file

20 / 57

20. Which file is used to store information that remains constant for a long time

a) transaction file

b) backup file

c) master file

d) none

21 / 57

21. Which of the following file is used to store additional copy of data

a) transaction file

b) none

c) master file

d) backup file

22 / 57

22. Which of the following file consist the software instructions

a) none

b) both a and b

c) program file

d) data file

23 / 57

23. The extension of program file is

a) .exe

b) .exe and .com both

c) none

d) .com

24 / 57

24. Which of the following is an image file extension

a) .jpg

b) .tif

c) .bmp

d) all

25 / 57

25. The extension for a video file is

a) .txt

b) .mpg

c) .avi and .mpg

d) .avi

26 / 57

26. The extension of audio files is

a) txt

b) .wav and .mid

c) .doc

d) .mid

27 / 57

27. The file name and the extension are separated by a

a) colon

b) dot

c) slash

d) semicolon

28 / 57

28. In “‘program.txt” , ‘txt” is the:

a) file location

b) directory

c) extension

d) file name

29 / 57

29. Word processor can save documents using the following extensions EXCEPT

a) mdb

b) rtf

c) doc

d) txt

30 / 57

30. The type of files from storage point of view include:

a) indexed sequential file

b) sequential file

c) direct or random file

d) ALL

31 / 57

31. The problem synonym occurs in:

a) Sequential files

b) Direct or random files

c) Indexed sequential files

d) None

32 / 57

32. The process in which the contents are accessed in a sequence is called:

a) Read only Access

b) Random Access

c) Record Access

d) Sequential Access

33 / 57

33. A database is an organized collection of related data

a) badly

b) logically

c) physically

d) loosely

34 / 57

34. The objectives of database management systems include:

a) All

b) Data Integration

c) Database Integrity

d) Availability

35 / 57

35. The most commonly used database model in current database development is:

a) Hierarchical

b) Network

c) Object-oriented

d) Relational

36 / 57

36. Which of the following data model has general shape of an organization chart?

a) Object Model

b) Relational Model

c) Hierarchical Model

d) Network Model

37 / 57

37. Which data models creates parent-child relationships B/T data elements and restricts each child?

a) Object data model

b) Hierarchical data model

c) Relational data model

d) Network data model

38 / 57

38. Which data models creates parent-child relationships b/t data elements and have more than 2parents

a) Relational data model

b) Network data model

c) Object data model

d) Hierarchical data model

39 / 57

39. Information sharing means that:

a) Both a and b

b) Neither a nor b

c) Information can be stored once and retrieved any number of times

d) The same information can be shared by different applications

40 / 57

40. A program whose job is to store and retrieve user data in the database is called:

a) Data Business Model System

b) Database Management System

c) Database Modeling System

d) Data Business Management Service

41 / 57

41. The database system is composed of four major parts:

a) Hardware, Software, People and Data

b) DBMS, Hardware, User, Programmer, Engineer

c) Software, You, Me, DBA, Client

d) Hardware, Hard drive, Monitor, Data, User

42 / 57

42. Data that causes inconsistency lacks:

a) Good data

b) Data anomaly

c) Data integrity

d) Data redundancy

43 / 57

43. In a database processing system:

a) The database application(s) interact with the DBMS

b) The DBMS accesses the database data

c) a and c

d) The database application(s) access the database data

44 / 57

44. Which one of the following is an advantage of database management approach?

a) Programs are independent of data format

b) Increased duplication of data

c) all

d) Reduced security and the control of data

45 / 57

45. DBMS stands for:

a) Database Management System

b) Database Modeling System

c) Data Business Model System

d) Data Business Management Service

46 / 57

46. Which of the following is NOT an advantage of database systems?

a) Redundant data

b) Data independence

c) Backup /Recovery

d) Better data quality

47 / 57

47. Which of the following enables user to modify data without affecting existing program that use them

a) Data independence

b) Data relationships

c) Data dependence

d) Data integration

48 / 57

48. Database application contain procedures for:

a) Deleting records

b) all

c) Adding records

d) Processing queries

49 / 57

49. Which of the following is related to a component of database system?

a) All

b) Database administrator

c) End users

d) Application programmer

50 / 57

50. Which of the following database models is often referred to as an Inverted Tree?

a) Relational

b) Hierarchical

c) Network

d) Object-oriented

51 / 57

51. The major component of DBMS is called

a) Data Manager

b) File Manager

c) Database Manager

d) All

52 / 57

52. Duplicate data in multiple data file is:

a) Data redundancy

b) Data intergrity

c) Data multiplication

d) None

53 / 57

53. The description of structure and organization of data in a database is contained in:

a) structure query language

b) data store

c) data dictionary

d) data mine

54 / 57

54. A request for information from a database in database terminology is called

a) Report

b) Letter

c) Query

d) Table

55 / 57

55. A printed or on screen display of data or information in the database is called an:

a) Report

b) Screen

c) Entity

d) Query

56 / 57

56. The name for the software to build reports that summarize data from a database is:

a) Report Writer

b) Reporter

c) Report Generator

d) Report Builder

57 / 57

57. Which of the following is not a database management system

a) excel

b) Oracle

c) MS Access

d) SQL server

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Rawalpindi Board 2nd year Computer Science Chapter 2

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Rwp_2nd_cs_2

Rawalpindi Board 2nd year Computer Science Chapter 2

1 / 37

1. DBA stands for:

a) Database authority

b) Database Application

c) Database Administrator

d) Data basic Administration

2 / 37

2. A key strictly used for data retrieval purposes is called:

a) Candidate key

b) Secondary key

c) Composite key

d) Primary key

3 / 37

3. Who is responsible to design, implement and maintain a databases?

a) End user

b) Web designer

c) Database administrator

d) Application programmer

4 / 37

4. A table in which the foreign key is found is called:

a) Parent table

b) All

c) Dependent table

d) View

5 / 37

5. Which of the following is also known as control key?

a) Composite key

b) Primary key

c) Sort key

d) Candidate key

6 / 37

6. A primary key that consists of more than one attribute is called

a) Composite key

b) Multivalued key

c) Foreign key

d) Global Key

7 / 37

7. An attribute in relation used as the primary key of another relation in the same database is called

a) Link key

b) Global key

c) Foreign key

d) Logic Key

8 / 37

8. A candidate key is:

a) The primary key selected to be the key of a relation

b) Primary key

c) All

d) An attribute or group of attributes that can be the primary key

9 / 37

9. Which field is the most appropriate primary key?

a) Address

b) Name

c) NIC Number

d) Birth Date

10 / 37

10. Which of the following can be a primary key

a) Last name

b) Region

c) Customer ID

d) Salary

11 / 37

11. How many primary keys can a table have?

a) 1 or 2

b) any

c) 1

d) 1 to 5

12 / 37

12. Which of the following is NOT a good primary key?

a) Social security number

b) Student ID number

c) Order number

d) Zip code

13 / 37

13. Which of the following describes the primary key?

a) It helps in indexing of a large database

b) All of the above

c) It makes sorting quicker

d) It must be unique

14 / 37

14. A key is:

a) the most important field in a record

b) the first field of a relation

c) the last field of a relation

d) none of these

15 / 37

15. Which of the following are properties of relations?

a) There are no multivalued attributes in a relation

b) No two rows in a relation are identical

c) Each attribute has a unique name

d) All of the above

16 / 37

16. An index can used to:

a) Document the structure of the database

b) Improve the performance of the database

c) All

d) Reduce data dependency for application programs

17 / 37

17. Which of the following is NOT a characteristic of relations?

a) The order of rows is insignificant

b) Each row is unique

c) Columns are all elemental or atomic

d) The order of columns is significant

18 / 37

18. The data or information that describes an entity is called:

a) Attribute

b) Data item

c) Tuple

d) Data item

19 / 37

19. A person, place, thing or event about which data is kept in the database is called

a) Record

b) Field

c) Attribute

d) Entity

20 / 37

20. A row of a relation is called:

a) Attribute

b) Tuple

c) a and c

d) Tuple

21 / 37

21. A relation is also known as:

a) Relationship

b) Tuple

c) Attribute

d) Table

22 / 37

22. An attribute is also known as a:

a) Relation

b) Field

c) Table

d) Row

23 / 37

23. A table is a two-dimensional structure that consists of:

a) Matrix elements

b) x and y co-ordinates

c) Rows and columns

d) Intersection of data

24 / 37

24. A two-dimensional table of data is called:

a) Group

b) Relation

c) Set

d) Module

25 / 37

25. A table should have:

a) Sort key

b) Secondary key

c) Primary key

d) Composite key

26 / 37

26. The foreign key is found in:

a) Parent table

b) Index table

c) Pivot table

d) Dependent table

27 / 37

27. The Columns of a table correspond to

a) Record

b) Field

c) Cell

d) Table

28 / 37

28. SQL is used for:

a) Data definition

b) Data control

c) Data manipulation

d) All

29 / 37

29. CREATE command is used to create:

a) View

b) Record

c) Query

d) Report

30 / 37

30. A virtual table that is constructed from other tables is called:

a) Relation

b) View

c) Table

d) Tuple

31 / 37

31. The number of characters in fixed-length field is

a) Variable

b) Constant

c) 10

d) 100

32 / 37

32. The views are used:

a) To hide columns

b) To hide complex SQL statements

c) To hide rows

d) All of the above

33 / 37

33. Views are also called:

a) Virtual tables

b) Actual Tables

c) Simple tables

d) Complex tables

34 / 37

34. The SQL statement to create a view is:

a) SELECT VIEW

b) MAKE VIEWS

c) CREATE VIEW

d) INSERT VIEW

35 / 37

35. All the intersection of rows and columns must have:

a) No value

b) Single value

c) Multiple values

d) Constant value

36 / 37

36. The rows of a relation can be of order.

a) Sorted

b) Any

c) Same

d) Sorted

37 / 37

37. Insert command is used to insert:

a) Dependencies

b) View

c) New record

d) New table

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Rawalpindi Board 2nd year Computer Science Chapter 3

/32

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Rwp_2nd_cs_3

Rawalpindi Board 2nd year Computer Science Chapter 3

1 / 32

1. In an E-R diagram a diamond represented

a) file

b) relationship

c) attribute

d) entity

2 / 32

2. all the hardware costs are considered during

a) requirement analysis

b) feasibility study

c) data analysis

d) project planning

3 / 32

3. merging the relation is also known as

a) view relationship

b) view entities

c) none

d) view integration

4 / 32

4. the logical representation of an organization

a) database management system

b) entity relationship model

c) none

d) data base entity diagram

5 / 32

5. which of the following is related to modality

a) unidirectional & mandatory

b) mandatory

c) optional

d) unidirectional

6 / 32

6. which of the following defines the nature of the relationship

a) decision trees

b) none

c) modality

d) modality & decision trees

7 / 32

7. the relationship can be

a) all

b) one to one

c) one to many

d) many to many

8 / 32

8. which of the following represented the entities

a) aeroplane

b) all

c) student

d) teacher

9 / 32

9. which of the following activities are involved in data analysis

a) data flow diagram

b) all

c) decision trees

d) decision tables

10 / 32

10. all of the following are component of physical data base design except

a) normalize the relations

b) data distribution strategy

c) data volume and usage analysis

d) data volume and usage analysis

11 / 32

11. which component of physical database design refers to the consistency of data

a) data distribution strategy

b) integrity constraints

c) indexes

d) file organization

12 / 32

12. an index may be created on

a) foreign key

b) all

c) secondary key

d) primary key

13 / 32

13. which of the following is basic data distribution strategy

a) replicated

b) all

c) partitioned

d) centralized

14 / 32

14. organizing the data base in computer disk storage is done in

a) implementation

b) analysis

c) logical design

d) physical design

15 / 32

15. a disadvantage of partitioning is

a) extra space and update time

b) inconsistent access speed

c) all

d) complexity

16 / 32

16. an advantage of partitioning is

a) extra space

b) reliability

c) accuracy

d) efficiency

17 / 32

17. the relationship can be

a) one to one

b) one to many

c) all

d) many to many

18 / 32

18. which of the following are ingredients of data modeling

a) all

b) relationships

c) attributes

d) entities

19 / 32

19. A factor to consider when choosing a file organization is

a) efficient storage

b) fast retrieval

c) all

d) security

20 / 32

20. a techinque for physically arranging the record of a file on secondary storage device is

a) update program

b) physical pointer

c) retrieval program

d) file organization

21 / 32

21. a person name birthday and social security number are example of

a) attributes

b) relationships

c) entities

d) description

22 / 32

22. which of the following is NOT included in the defination of an entity

a) action

b) object

c) person

d) concept

23 / 32

23. In an E-R diagram a rectangle represented

a) attributes

b) entities

c) none

d) relationships

24 / 32

24. which of the following is used to associated entities with one another

a) relationship

b) entity

c) attribute

d) none

25 / 32

25. which of the following is used to describe the characteristics of an object

a) modality

b) attribute

c) relationship

d) cardinality

26 / 32

26. customer cars and parts are example of

a) attributes

b) entities

c) modality

d) cardinality

27 / 32

27. A data model is

a) transformed into tables and relationship

b) a logical representation of the structure

c) shown as an entity relationship diagram

d) all

28 / 32

28. In hybrid distribution what type of fragment are closed at only one site

a) critical

b) none

c) only large

d) non critical fragment

29 / 32

29. In ERD model the relartionship b/t two entities is represented by

a) oval shape

b) none

c) diamond shape

d) rectangular shape

30 / 32

30. Data base development process involve mapping of conceptual data model into:

a) object oriented model

b) implementation

c) network data model

d) hierarichal data model

31 / 32

31. An entity related to itself in a ERD model refers to:

a) One-to-one relationship

b) Recursive relationship

c) Many-to-many relationship

d) One-to-many relationship

32 / 32

32. Which of the following keys is not unique:

a) Foreign Key

b) Primary Key

c) Secondary Key

d) Candidate Key

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Rawalpindi Board 2nd year Computer Science Chapter 4

/53

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Created on February 18, 2022 By

admin

RWP_2ND_CS_4

Rawalpindi Board 2nd year Computer Science Chapter 4

1 / 53

1. A while loop is more appropriate to use than a for loop when:

a) When the number of iterations are known in advance

b) The program executes at least once

c) The terminate condition occurs unexpectedly

d) The body of the loop is to be executed at least once

2 / 53

2. In which situation a do-while loop is more appropriate to use?

a) When the body of the loop is to be executed at least once

b) When the number of iterations are known in advance

c) When the loop terminates unexpectedly

d) When the program executes at least once

3 / 53

3. In which situation a for loop is more appropriate to use?

a) When the body of the loop is to be executed at least once

b) When the loop terminates unexpectedly

c) When the number of iterations are known in advance

d) When the program executes at least once

4 / 53

4. Which of the following transfers control to the beginning of the loop, skipping the remaining statements?

a) Break statement

b) Nested loop

c) Exit function

d) Continue statement

5 / 53

5. Which of the following can be used to replace switch statement?

a) While loop

b) Break statement

c) Else-if statement

d) If-else statement

6 / 53

6. Which of the following can be used to replace ternary operator?

a) If statement

b) If-else statement

c) Else-if statement

d) While loop

7 / 53

7. How is multiple-statement for loop terminated?

a) With a right brace

b) With a right bracket

c) With a colon

d) With semicolon

8 / 53

8. How is a single-statement for loop terminated?

a) With a right bracket

b) With a semicolon

c) With a right brace

d) With a colon

9 / 53

9. In which sequence the while loop is executed:

a) Testing, initialization, execution of body

b) Initialization, execution of body, testing

c) Initialization, testing, execution of body

d) Execution of body, initialization, testing

10 / 53

10. If the value of a=15 and b=10 what would be the output of the expression a>b?a-b:a+b;

a) 150

b) 25

c) 5

d) 15

11 / 53

11. If the value of x=10 and y=5 then what would be the output of the expression? x>y? x*y:x+y;

a) 50

b) 5

c) 1.5

d) 10

12 / 53

12. When is for loop more appropriate than while loop?

a) The termination condition is known in advance

b) The loop should be executed once only

c) The number of iterations is not known in advance

d) The loop should be executed at least once

13 / 53

13. The switch statement is very similar to the:

a) If else statement

b) If-else-if statement

c) Conditional operator

d) If statement

14 / 53

14. The keyword ‘break’ cannot be used within:

a) While

b) If-else

c) Do-while

d) For

15 / 53

15. Which of the following is a loop statement?

a) If

b) If-else

c) For

d) Switch

16 / 53

16. Semicolon is placed at the end of condition in:

a) Do-while loop

b) While loop

c) For loop

d) All

17 / 53

17. If you want a user to enter exactly 20 values, which loop would be the best to use?

a) Infinite

b) While

c) For

d) Do-while

18 / 53

18. This means to increase a value by one:

a) Increment

b) Decrement

c) Up

d) Modulus

19 / 53

19. A for loop contains three expressions: initialization, condition and:

a) Increment/decrement

b) Recalling

c) Validation

d) Assignment

20 / 53

20. The number of expressions in for loop are:

a) 3

b) 2

c) 1

d) 4

21 / 53

21. This statement is used to skip some statements inside loop.

a) Continue

b) Default

c) Switch

d) Skip

22 / 53

22. A loop within a loop is called:

a) Nested loop

b) Infinite loop

c) Complex loop

d) Dual loop

23 / 53

23. This statement causes a loop to terminate early?

a) Terminate

b) Exit

c) Break

d) Stop

24 / 53

24. The statements within curly braces in a loop is known as loop:

a) Body

b) Center

c) Title

d) Header

25 / 53

25. In which loop the condition comes after the body of the loop?

a) For

b) While/do-while

c) While

d) Do-while

26 / 53

26. In which loop the condition comes before the body of the loop:

a) For

b) None

c) While

d) Do-while

27 / 53

27. Which loop structure always executes at least once?

a) Do-while

b) While

c) Counter

d) For

28 / 53

28. It is the simplest loop in c++ language:

a) While

b) For

c) Do-while

d) For while

29 / 53

29. Which of the following loop is available in c++?

a) While

b) All

c) For

d) Do-while

30 / 53

30. How many types of loop structures are available in c++?

a) 3

b) 2

c) 6

d) 4

31 / 53

31. One execution of loop is known as a(n):

a) Iteration

b) Test

c) Duration

d) Cycle

32 / 53

32. These are used to repeat the execution of specific block of statements:

a) Decision statement

b) Loop structure

c) Switch

d) If else

33 / 53

33. It is used when program requires more than one test expression

a) Break

b) Switch statement

c) Nested if-else

d) If statement

34 / 53

34. Which of the following are valid case statements in a switch?

a) case 1.5:

b) case x<4:

c) case 1:

d) case ‘ab’:

35 / 53

35. The code under this statement is executed when the input does not match to any case in switch statement.

a) Default

b) Switch

c) Break

d) Case

36 / 53

36. How many times is the test expression of a switch statement evaluated?

a) One for each case

b) 1

c) 2

d) 0

37 / 53

37. Switch statement is alternative of:

a) Nested if

b) Nested if-else

c) If-else

d) If

38 / 53

38. The case block ends with:

a) Break

b) Case else

c) End case

d) End select

39 / 53

39. It is not part of switch statement:

a) Break

b) Else

c) Case

d) Default

40 / 53

40. The case is used with:

a) Switch statement

b) If statement

c) Do while loop

d) For loop

41 / 53

41. The conditional operator is alternative of:

a) If

b) Nested if

c) If else

d) All

42 / 53

42. Which operator in C++ is called a ternary operator?

a) ++

b) ?

c) If

d) []

43 / 53

43. The conditional operator takes________ operands

a) 1

b) 5

c) 2

d) 3

44 / 53

44. It is also known as conditional operator

a) Ternary operator

b) Unary operator

c) Binary operator

d) Assignment operator

45 / 53

45. The statements to be executed is the test expression is false are written in the body of:

a) If statement

b) Else statement

c) Break statement

d) Case statement

46 / 53

46. In if statement, true is represented by:

a) 2

b) 3

c) 1

d) 0

47 / 53

47. In if statement, false is represented by:

a) 3

b) 1

c) 0

d) 2

48 / 53

48. In if statement, test expression is written within these symbols

a) []

b) {}

c) ()

49 / 53

49. Which of the following is used for making two way decision?

a) Switch

b) If-else

c) If

d) Nested if

50 / 53

50. Which of the following is not a conditional statement?

a) If

b) While

c) If-else

d) Switch

51 / 53

51. Another term for a computer making a decision is:

a) Sequential

b) None

c) Repetition

d) Selection

52 / 53

52. How many types of control statements are used in programming?

a) One

b) Four

c) Two

d) Three

53 / 53

53. Which of the following is used to control the flow of execution in a program?

a) Control structure

b) Data structure

c) Program control

d) Data control

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Rawalpindi Board 2nd year Computer Science Chapter 5

/24

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RWP_2ND_CS_5

Rawalpindi Board 2nd year Computer Science Chapter 5

1 / 24

1. It is very simple to create database using:

a) Easier programming

b) Common standards

c) Query

d) Wizard

2 / 24

2. Which of the following is the correct association?

a) Record = row

b) File = column

c) Field_ = row

d) Record = table

3 / 24

3. A collection of data that consists of name, address and email of a person is called:

a) Character

b) Record

c) Field

d) Byte

4 / 24

4. The smallest meaningful unit of data in a database is called:

a) Character

b) Field

c) Byte

d) Record

5 / 24

5. Each set of related items in a table is called:

a) Query

b) Field

c) Table

d) Record

6 / 24

6. Each separate piece of information stored in a record is called:

a) Forms

b) Table

c) Field

d) Cell

7 / 24

7. Each separate piece of information stored in a record is called:

a) Table

b) Field

c) Form

d) Cell

8 / 24

8. A report may be based on a:

a) None

b) Query

c) Both a and b

d) Table

9 / 24

9. An example of a query is

a) Search for a specific record.

b) Importing of a spreadsheet file into the database.

c) Selection of all records that match a set of criteria.

d) Both a and c are correct

10 / 24

10. The maximum number of tables in a database can be:

a) 1

b) 2

c) Any

d) 3

11 / 24

11. The columns of a table correspond to:

a) Record

b) Cell

c) Field

d) Table

12 / 24

12. Which of the following are objects in an MS Access database?

a) All of these

b) Folders and Tools

c) Database, Datasheet, and Form views

d) Tables, forms, queries, and reports

13 / 24

13. Which object is used to store data and define structure for the data in a database?

a) Form

b) Query

c) Table

d) Macro

14 / 24

14. which of the following is NOT a database object

a) Report

b) Query

c) Table

d) MS Word

15 / 24

15. What is displayed in title bar of an open database

a) Object Type

b) Program Name

c) All of these

d) Database name

16 / 24

16. What is displayed in title bar of an open database

a) Object Type

b) Program Name

c) All of these

d) Database name

17 / 24

17. Which option in MS Access is used to crate a new database from scratch

a) New Folder

b) Access templates

c) Existing Database

d) Blank database

18 / 24

18. An MS access table consists

a) Records

b) Characters

c) All

d) Field

19 / 24

19. A report is a complete set of

a) designed

b) all

c) distinct

d) related

20 / 24

20. Which object is used to retrieve data from database and present in formatted way

a) table

b) report

c) query

d) form

21 / 24

21. Microsoft Access saves the database with the extension

a) .msdb

b) .mxls

c) .madb

d) .mdb

22 / 24

22. The output of the query is in the form of a

a) report

b) form

c) Table

d) query

23 / 24

23. which of the following database object is used to retrieve data from database

a) Tables

b) Queries

c) Forms

d) Reports

24 / 24

24. A database consist of various component called

a) entities

b) Objects

c) properties

d) tools

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Rawalpindi Board 2nd year Computer Science Chapter 6

/74

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RWP_2ND_CS_6

Rawalpindi Board 2nd year Computer Science Chapter 6

1 / 74

1. Which of the following is handled by DBMS?

a) Data security

b) Data independence

c) all

d) Data integrity

2 / 74

2. The wildcard Sal[ei]ma.

a) None

b) Both a and b

c) Salima

d) Saleema

3 / 74

3. Which symbol is placed around dates in a criterion?

a) #

b) []

c) *

d) ()

4 / 74

4. Which of the following is used to specify a range of dates or values in the criteria box of query

a) Like

b) Equals

c) Between-And

d) Not Equal

5 / 74

5. Which row in Design grid determines the records selected in a query?

a) Show

b) Field

c) Criteria

d) Sort

6 / 74

6. Which of the following is a valid entry in text field in a criteria row of design grid?

a) Saleem

b) "Saleem"

c) =Saleem

d) all

7 / 74

7. Which of the following entries in a Design grid will return the record Rabnawaz?

a) Neither rab? and rab*

b) Both rab? and rab*

c) Ander?

d) rab*

8 / 74

8. which of the following is returned by access if you type H*H in a text field of a select query

a) Hall

b) Hill

c) Hiell

d) all

9 / 74

9. the result of a query are displayed in a

a) Design grid

b) Dynaset

c) Form

d) Report

10 / 74

10. Which of the following criterion should be used?

a) =1/1/1999

b) >1/1/1999

c) <1/1/1999

d) Before 1/1/1999

11 / 74

11. Which wildcard replaces one character only?

a) *

b) !

c) ?

d) #

12 / 74

12. The graphical query tool is known as?

a) Design form

b) Query grid

c) Query form

d) Design grid

13 / 74

13. Which of the following is saved when saving a query?

a) Structure of the query

b) Only the fields in tile query

c) The table underlying the query

d) None

14 / 74

14. What is found in the top portion of Query Design view window?

a) Expression builder

b) Design grid

c) Query type list

d) Field list box

15 / 74

15. Which of the following is contained in Query Design view?

a) A field list

b) Neither a field list nor a Design grid

c) Both a field list and a Design grid

d) A Design grid

16 / 74

16. Which of the following is NOT found in Totals function in a query?

a) If

b) Sum

c) Average

d) Group by

17 / 74

17. Which type of query copies selected records to a new table?

a) Delete

b) Make-Table

c) Append

d) Move

18 / 74

18. Which type of query gives provides a dialog box to type a value for criteria

a) Crosstable

b) Union

c) Parameter

d) Select

19 / 74

19. Why a query is created using two tables?all

a) all

b) To save space

c) To use it as a basis for a form

d) To create many special purpose queries

20 / 74

20. Which type of query is used to join two tables?

a) Select

b) Crosstable

c) Find Duplicates

d) Find Unmatched

21 / 74

21. Which query is used to add records from one table to the end of another table

a) Delete query

b) Convert query

c) Make Table query

d) Append query

22 / 74

22. Which of the following is NOT an example of an Action query?

a) Delete query

b) Convert query

c) Make tabs query

d) Append query

23 / 74

23. What query type modifies the values in one or more records within a table

a) Select query

b) Update

c) Delete

d) Append query

24 / 74

24. Which of the following describes a select query?

a) Limits the fields shown

b) all

c) Limits the records shown

d) Selects records based on specific criteria

25 / 74

25. What is the most common type of relationship?

a) One-to-One

b) Many-to-One

c) One-to-Many

d) Many-to-Many

26 / 74

26. Why would you create relationships and use them?

a) all

b) To reduce the risk of errors

c) To minimize the size of the database

d) To avoid data redundancy in a database

27 / 74

27. What must be true about two fields to create a relationship between them?

a) Same name

b) none

c) Same field type

d) Both a and b

28 / 74

28. What is the advantage of enforcing referential integrity?

a) All

b) Using sub datasheet in a table

c) Prevents orphan records between tables

d) Ability to create a query using two tables

29 / 74

29. How is.primary key identified in the Relationships window?

a) Key beside the field

b) Primary key typed beside the field

c) Bold field

d) Underlined field

30 / 74

30. What happens when you enter the last field of a record and press Enter key?

a) Record selector changes to a triangle

b) All of these

c) Record selector moves to next record

d) ecord is saved

31 / 74

31. The Sort Ascending button will:

a) Order all records alphabetically

b) Delete selected records

c) Filter out selected records

d) Order all records reverse alphabetically

32 / 74

32. What is Z to A order called?

a) Descending

b) Alphabetical

c) Condescending

d) Ascending

33 / 74

33. Which of the following is an example of a Filter by Form expression?

a) none

b) 1985

c) 4 OR 5

d) Abdullah

34 / 74

34. Which method used data in a field as criterion for filtering?

a) Parameter query

b) Filter by Selection

c) Filter by Form+

d) None

35 / 74

35. What command is required to actually execute a filter on a table?

a) Remove Filter

b) Apply Filter

c) Find Next

d) Clear Grid

36 / 74

36. Why is it important to hide a column?

a) Data is no longer needed

b) To delete the field

c) None

d) Need to print table without that data included

37 / 74

37. Find and Replace command is found in:

a) Edit men

b) Tool

c) View menu

d) File menu

38 / 74

38. Which formal property displays text in uppercase?

a) Upper

b) TEXT

c) Less than sign

d) Greater than sign

39 / 74

39. Which does not improve data entry?

a) Validation rules

b) Indexing

c) Required fields

d) Input masks

40 / 74

40. Which field type can be indexed?

a) Memo

b) Hyperlink

c) OLE

d) Number

41 / 74

41. Why are validation rules used in a database?

a) Both a and b

b) Ensure correct data is entered

c) To avoid typing errors

d) Neither a nor b

42 / 74

42. Which of the following is NOT suitable for an input mask?

a) Social security number

b) Street address

c) Telephone number

d) A date

43 / 74

43. Which of the following is suitable for an input mask?

a) A date

b) all

c) Social security number

d) Telephone number

44 / 74

44. Field properties are shown in:

a) Design view & Datasheet view

b) Design view

c) none

d) Datasheet view

45 / 74

45. Field properties determine:

a) all

b) Default value

c) Field size

d) Input mask

46 / 74

46. What is the term for a characteristic or attribute of object that determines how the object looks

a) Color

b) Orientation

c) Property

d) Size

47 / 74

47. Each of the following is an example of a valid Access data type EXCEPT:

a) Name

b) Text

c) Memo

d) Currency

48 / 74

48. Which of the following can be found in an MS Access database file?

a) all

b) Forms

c) Tables

d) Queries

49 / 74

49. Which data type can be used to defined a field consist Web address as its content?

a) OLE Object

b) Auto Number

c) Lookup Wizard

d) Hyperlink

50 / 74

50. Which data type can be used to create a sequential number for each record that serve as primary key

a) Auto Number

b) Memo

c) Number

d) Currency

51 / 74

51. Which data type can be used to defined a field contains data content such as a chart, graphics etc

a) Hyperlink

b) Auto Number

c) Memo

d) OLE object

52 / 74

52. Which data type can be used to defined a field that is also formatted for data entry and display

a) Number and Currency

b) Text AND Memo

c) Date/Time

d) all

53 / 74

53. Which data type can be used to defined a field consist of only number to be used in calculation

a) Text

b) Number

c) Date/Time

d) Memo

54 / 74

54. Which data type can be used to defined a field consist of maximum of 250 numbers or letters

a) Text

b) Currency

c) Number

d) Memo

55 / 74

55. which of the following is logical data type in MS Access

a) True/False

b) Yes/No

c) Log

d) Boolean

56 / 74

56. What is the default field size of a text data type field

a) 50

b) 20

c) 40

d) 30

57 / 74

57. which data type is the default type

a) Auto Number

b) Memo

c) Text

d) Number

58 / 74

58. A field`s width indicates

a) number of pixels it takes on screen

b) number of inches it takes on the screen

c) number of characters visible on the screen

d) Number of characters it can contain

59 / 74

59. Every field in a table has:

a) field name, field number and data type

b) Field name and a data type

c) Field name and a field number

d) field name

60 / 74

60. What symbol indicates that you are editing a record

a) Pencil

b) Asterisk

c) Black Arrow

d) Key

61 / 74

61. Which of the following methods are used for creating a table in Access?

a) Creating table in Design view

b) Creating table by using wizar

c) all

d) Creating table by entering data

62 / 74

62. Which of the following menus is used to switch between table views?

a) View

b) Edit

c) File

d) Tools

63 / 74

63. Which view is used to add, edit or delete records from a table?

a) Datasheet view

b) Record view

c) Design view

d) Edit view

64 / 74

64. Which of the following view in MS Access looks like an electronic spreadsheet?

a) QBE

b) Design

c) Relationship

d) Datasheet

65 / 74

65. Which of the following is NOT displayed in Design view?

a) The contents of each field

b) The data type’ of each field

c) The properties of the selected field

d) The field names

66 / 74

66. Which of the following view in MS Access is used to define the structure of table?

a) Relationship

b) Datasheet

c) QBE

d) Design

67 / 74

67. Which key is used to move from field to field in Table window of Datasheet view?

a) Esc

b) Spacebar

c) Enter

d) Tab

68 / 74

68. Which button of Find and Replace dialog box is clicked to start the search process?

a) Find Next

b) Next

c) Search

d) Find

69 / 74

69. Which criteria can be used to find four-character name that starts with H?

a) H?4

b) H*4

c) H####

d) H???

70 / 74

70. How many table views are available in Microsoft Access?

a) 1

b) 3

c) 2

d) 4

71 / 74

71. Which rule states that record from table cannot be deleted if its associated record exists in table

a) Entity relationship

b) Referential integrity

c) all

d) Normalization

72 / 74

72. In a relational database, a single piece of information is called:

a) entity

b) Attribute

c) table

d) record

73 / 74

73. How many types of relationship can be used?

a) 3

b) 4

c) 5

d) 2

74 / 74

74. The data in tables is entered in:

a) Normal view

b) Grid view

c) Layout view

d) Datasheet view

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Rawalpindi Board 2nd year Computer Science Chapter 7

/27

RWP_2ND_CS_7

Rawalpindi Board 2nd year Computer Science Chapter 7

1 / 27

1. In inheritance a class derived from more than one parent class is called

a) None

b) Multiple inheritance

c) Multilevel inheritance

d) Single inheritance

2 / 27

2. If class A inherit from class Then B is called____of A . A is called_____of B

a) None

b) Sub class ,parent class

c) Parent class , sub class

d) Child class, parent class

3 / 27

3. The base class is also called

a) Parent class

b) Child class

c) Parent and child class

d) Super class

4 / 27

4. The derived class is also called

a) Parent class

b) Sub class

c) Child class

d) Child and sub class

5 / 27

5. Which of the following class inherit all the capabilities of the base class

a) Parent class

b) Child class

c) Abstract class

d) Super class

6 / 27

6. ____is the mechanism that allows a class A to inherit properties of a class B

a) Encapsulation

b) Data abstraction

c) Polymorphism

d) Inheritance

7 / 27

7. The ability of a class to derive properties from a previously defined class is called

a) Polymorphism

b) Encapsulation

c) Inheritance

d) Information hiding

8 / 27

8. The mechanism that binds code and Data together and keeps them secure from outside world is known as

a) Abstraction

b) Polymorphism

c) Inheritance

d) Encapsulation

9 / 27

9. A class can have how many destructor

a) 1

b) 3

c) 4

d) 2

10 / 27

10. The constructor with out parameters is called

a) Operator constructor

b) Method constructor

c) function constructor

d) Default constructor

11 / 27

11. Which of the following functions of class can not take argument and has no return type

a) Constructor

b) Destructor

c) Overridden function

d) Friend function

12 / 27

12. Which of the following functions of class have argument but has no return type

a) Friend functions

b) Constructor

c) Overridden function

d) Destructor

13 / 27

13. Which of the following functions of class is automatically executed when an object of the class is destroyed

a) Constructor

b) Destructor

c) Friend function

d) Overridden function

14 / 27

14. Which of the following is true about a constructor

a) It is always public

b) It has no return type

c) The same name as class but a tilde sign is used before its name

d) All

15 / 27

15. Which of the following functions of a class is automatically executed when an object of the class is created

a) Friend function

b) Constructor

c) Destructor

d) Overridden function

16 / 27

16. Member of class specified as _____ are accessible only to method of the class

a) Public

b) Protected

c) Final

d) Private

17 / 27

17. Which of the following specifier is used to access class member outside class

a) Public

b) Protected

c) Private

d) All

18 / 27

18. Members of object are accessed with

a) Resolation operator

b) Extraction operator

c) Dot operator

d) Address operator

19 / 27

19. ____is a default access specifier for members of class in c++

a) Protected

b) Public

c) Default

d) Private

20 / 27

20. Which of the following are types of access specifier

a) Virtual and function

b) Null and void

c) Sub and class

d) Private and public

21 / 27

21. Which sections of a class can a member function of that class access

a) All

b) Protected

c) Public

d) Private

22 / 27

22. Which of the following is a user defined Data type

a) Class

b) Private

c) Tag

d) Public

23 / 27

23. In c++ the functions of a class are called

a) Attributes

b) object

c) Methods

d) Member function

24 / 27

24. Data members are also called

a) Class

b) Attributes

c) Methods

d) Object

25 / 27

25. The attributes of a class are called

a) Data members

b) Methods

c) Member function

d) Object

26 / 27

26. In c++ object of the class is also called

a) Constants

b) Data collection

c) Instance

d) Tag

27 / 27

27. A programming technique in which program are written on the basis of object is called

a) Query language

b) Procedural programming

c) Non-procedural programming

d) Object-oriented programming

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Rawalpindi Board 2nd year Computer Science Chapter 8

/78

0 votes, 0 avg

Created on February 18, 2022 By

admin

RWP_2ND_CS_8

Rawalpindi Board 2nd year Computer Science Chapter 8

1 / 78

1. What does the # sign indicate in an instruction of C language?

a) Instruction for compiler

b) None

c) Instruction for linker

d) Instruction for user

2 / 78

2. Which of the following components is used to convert first.c to first.exe?

a) None

b) header & linker

c) compiler & header

d) compiler & linker

3 / 78

3. computer programs are also known as:

a) Software

b) Hardware

c) None

d) Procedure

4 / 78

4. The statements written by the programmer are called:

a) None

b) Syntax

c) Source code

d) Object code

5 / 78

5. A statement that starts with a # is called a:

a) Preprocessor directive

b) None

c) Keyword

d) Comment

6 / 78

6. Types of translators are:

a) All

b) Assemblers

c) Compilers

d) None

7 / 78

7. The process of identifying and removing errors in the programs is called:

a) None

b) Processing

c) Executing

d) debugging

8 / 78

8. Choose the program that translates and executes one line of source code at a time.

a) interpreter

b) compiler

c) Assembler

d) None

9 / 78

9. which one of the following translates source code to object code as a whole

a) None

b) Interpreter

c) Assembler

d) Compiler

10 / 78

10. which Program that translates assembly language code to machine code

a) Debugger

b) Converter

c) Assembler

d) Translator

11 / 78

11. which of the following language Is ideal to write business application

a) None

b) BASIC

c) COBOL

d) PASCAL

12 / 78

12. An assembly language uses:

a) Mnemonic Codes

b) English Words

c) None

d) Binary Digit

13 / 78

13. The lowest level of programming language is:

a) None

b) Assembly Language

c) Pascal

d) Java

14 / 78

14. Which of the following is NOT a high level language?

a) BASIC

b) FORTRAN

c) Assembly language

d) None

15 / 78

15. Writing programs in machine language is:

a) Less tedious

b) Both a and c

c) None

d) Less time-consuming

16 / 78

16. Which of the following is the native language of computer?

a) None

b) Pascal

c) DOS

d) Machine language

17 / 78

17. A type of language in which instructions are written in binary form is called:

a) Assembly language

b) None

c) High level language

d) Machine language

18 / 78

18. Machine language:

a) is the language in which programs were first written.

b) is the only language understood by the computer.

c) All of these

d) None

19 / 78

19. Division by zero (e.g. 2/ 0) is an example

a) Run-time error

b) None

c) Run-time error

d) Logic error

20 / 78

20. A spelling error (e.g. typing intt instead of int) is an example of:

a) Syntax error

b) Logic error

c) None

d) Run-time error

21 / 78

21. Which of the following does not contain machine language code?

a) None

b) Object module

c) Library module

d) Source module

22 / 78

22. Which of the following errors are NOT detected by compiler?

a) Both a and b

b) Syntax error

c) None

d) Logical error

23 / 78

23. A program’s syntax errors is detected by:

a) Debugger

b) Loader

c) Linker

d) Compiler

24 / 78

24. Which of the following reason causes the syntax error

a) using a variable without declaration

b) Missing any of the delimiters

c) Missing statement terminator

d) All

25 / 78

25. A type of error that occurs when an instruction violates the rules programs is called:

a) Program error

b) None

c) Syntax error

d) Runtime error

26 / 78

26. A set of rules that must be followed to develop a program is called:

a) Syntax

b) Debug

c) Preprocessor

d) Bug

27 / 78

27. What does the following code print on screen? printf(‘hello’);

a) Hello

b) HELLO

c) None

d) hello

28 / 78

28. Mistakes that cause a running program to produce incorrect results are called:

a) Syntax error

b) Program error

c) None

d) Logic error

29 / 78

29. Which of the following is NOT an example of a program bug?

a) Run-time error

b) Syntax error

c) Logic error

d) Operator error

30 / 78

30. Which term is commonly used to refer to software or program errors:

a) Short circuit

b) Crash

c) Down

d) Bug

31 / 78

31. C statements end with a:

a) semicolon

b) None

c) semicolon

d) Period

32 / 78

32. main is a

a) Function

b) Expression

c) Compiler directive

d) Comment

33 / 78

33. C programs are divided into units called:

a) debug

b) Functions

c) Syntax

d) Section

34 / 78

34. void occupy how many bytes in memory?

a) 1

b) 0

c) 3

d) 2

35 / 78

35. Which of the following language requires no translator to execute the program?

a) Assembly language

b) Machine language

c) C

d) C++

36 / 78

36. Debug is the process of:

a) Creating bugs in program

b) Identifying Errors

c) Removing Errors

d) Identifying and removing errors

37 / 78

37. For every opening brace in a C program, there must be a:

a) Closing brace

b) Colon

c) Comma

d) None

38 / 78

38. This is a complete instruction that causes the computer to perform some action:

a) None

b) Statement

c) Line

d) Keyword

39 / 78

39. which of the following header file contains information about common mathematical functions?

a) None

b) conio.h

c) stdio.h

d) math.h

40 / 78

40. which of the following header

a) stdio.h

b) conio.h

c) math.h

d) None

41 / 78

41. which header file contains information about standard input/ output functions?

a) Both a and b

b) None

c) math.h

d) stdio.h

42 / 78

42. The extension of the header file is:

a) .c

b) .CPP

c) .h

d) .txt

43 / 78

43. The name of header file is written between:

a) {}

b) ( )

c) <>

44 / 78

44. conio stands for:

a) Complex input output

b) Console input output

c) Character input output

d) Common input output

45 / 78

45. stdio stands for:

a) String input-output

b) Symbolic input output

c) Standard input output

d) Simple input output

46 / 78

46. stdio.h is part of:

a) Compiler

b) main function

c) C standard library

d) Comment section

47 / 78

47. The expression may be:

a) arithmetic expression

b) Constant

c) All

d) string

48 / 78

48. Which of the following syntax is used to include header file?

a) Both a or b

b) None of these

c) # include "name of the header file"

d) #include

49 / 78

49. Which of the following symbol is used to denote a pre-processor statement?

a) %

b) #

c) $

d) @

50 / 78

50. Which of the following is a compiler directive?

a) #include

b) main ( )

c) All

d) Using namespace std;

51 / 78

51. Header files in C contain:

a) Compiler commands

b) Library functions

c) Header information of C programs

d) Operators for files

52 / 78

52. The expression in define directive:

a) Can only be changed at the end of the program

b) Can not be changed but can be redefined

c) Cannot be assigned a value

d) Cannot be changed

53 / 78

53. Processor directives are command for

a) Microprocessor

b) Loader

c) Language Processor

d) C preprocessor

54 / 78

54. The basic structure of C program consists of:

a) All

b) Preprocessor Directive

c) Program body

d) main() function

55 / 78

55. Compiled programs typically, execute faster because:

a) Compiled programs are read and executed a line at a time

b) Compiled programs are already in a machine-readable form.

c) None of the above

d) Compiled programs do not require any data

56 / 78

56. The “.exe” file is produced by:.

a) Compiler

b) interpreter

c) linker

d) Loader

57 / 78

57. The processing of running an executable file is known as

a) Debugging

b) Saving

c) executing

d) Compiling

58 / 78

58. The process of linking library files with object cod is known as:

a) Compiler

b) Linking

c) Saving

d) Executing

59 / 78

59. Which of the following key is used to load a program it memory to run?

a) ALT+F5

b) CTRL+S

c) ALT+F9

d) CTRL+F9

60 / 78

60. The output of the compiler is called:

a) Object code

b) Library code

c) Source code

d) Linked code

61 / 78

61. Which of the following key is used to compile a program

a) ALT+F9

b) CTRL+F9

c) CTRL+S

d) ALT+F5

62 / 78

62. Which file contains the program after translation into machine language

a) Source file

b) None

c) exe file

d) Object file

63 / 78

63. The extension of object file is:

a) .obj

b) .c

c) .h

d) .exe

64 / 78

64. The process of converting source code into object code,is knows as:

a) Linking

b) Executing

c) Compiling

d) Saving

65 / 78

65. The extension of C source program is:

a) .c

b) .h

c) .exe

d) .obj

66 / 78

66. Which of the following key is used to save a file?

a) F9

b) F3

c) F5

d) F2

67 / 78

67. The programmer usually enters source code into a computer using

a) Compiler

b) Debugger

c) Text editor

d) Linker

68 / 78

68. An IDE stands for:

a) Input data error

b) Integrated Development Environment

c) Input Desktop environment

d) Internal disk error

69 / 78

69. An IDE typically consists of:

a) Compiler

b) Text editor

c) Debugger

d) All

70 / 78

70. Turbo C++ can compile

a) C programs only

b) Turbo C++ Programs only

c) Turbo C Programs only

d) C and C++ programs

71 / 78

71. Which of the following language provided the basis for the development C

a) Java

b) B

c) Pascal

d) C++

72 / 78

72. C is a:

a) Low-level language

b) High level language

c) Assembly language

d) Machine Language

73 / 78

73. C was designed to write program for:

a) Unix operating system

b) Windows operating system

c) OS/2 operating system

d) Solaris operating system

74 / 78

74. Who developed C?

a) Dennis Ritchie

b) Von-Neumann

c) Al- Khuwarizmi

d) Charles Babbage

75 / 78

75. B was developed in the year:

a) 1969-70

b) 1972-1988

c) 1965-1975

d) 1992-1996

76 / 78

76. C was developed in the year:1972

a) 1971

b) 1972

c) 1973

d) 1970

77 / 78

77. Computer programs are also known ac

a) Software

b) None

c) Firmware

d) Hardware

78 / 78

78. A well-defined set of instructions given to the computer is called:

a) None

b) Hardware

c) Software

d) Bug

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Rawalpindi Board 2nd year Computer Science Chapter 9

/89

Created on February 18, 2022 By

admin

RWP_2ND_CS_9

Rawalpindi Board 2nd year Computer Science Chapter 9

1 / 89

1. Data type int contains bytes:

a) 4

b) 2

c) 6

d) 8

2 / 89

2. These are operators that add and subtract one from their operands.

a) ++ and – –

b) Relational

c) None

d) Plus and minus

3 / 89

3. Which of the following is an illegal variable name?

a) jan2009

b) dayOfWeek

c) _cust_num

d) 2dGraph

4 / 89

4. Which of the following is used to declare variables that can hold real numbers:

a) float

b) none

c) real

d) int

5 / 89

5. In C language two conditions can be joined by using:

a) Relational operators

b) Logical operators

c) Arithmetic operators

d) None

6 / 89

6. The numeric data types in C can be divided into two general categories:

a) Integer and floating point

b) None

c) Numbers and characters

d) Single and double

7 / 89

7. Which of the following is a valid C statement?

a) char ch = ‘a’;

b) char ch=’ab’

c) char ch = "a";

d) char ch = 97

8 / 89

8. When the result of the computation of two very small numbers is represented. it is called:

a) Arithmetic overflow

b) Truncation

c) Arithmetic underflow

d) Round off

9 / 89

9. Which of the following is called the modulus operator?

a) –

b) "

c) %

d) +

10 / 89

10. Which of the following data types has the highest precision?

a) None

b) float

c) long int

d) long double

11 / 89

11. Which operator is used to represent equality in C language?

a) =

b) ><

c) ==

d) !=

12 / 89

12. In C language. the symbol = represents

a) Assignment operator

b) Address operator

c) equal to operator

d) None

13 / 89

13. The characters or symbols that perform operations on operands are called:

a) Operation code

b) Operators

c) Identifier

d) Syntax

14 / 89

14. which of the following is valid assignment statement

a) c=a+b

b) all

c) x=c-d+10

d) a=100

15 / 89

15. Associativity is either right to left or

a) Top to bottom

b) Back to front

c) Low to High

d) left to right

16 / 89

16. the right side of an assignment statement can be

a) A variable

b) An expression

c) A constant

d) all

17 / 89

17. the left side of an assignment statement holds

a) None

b) expression

c) constant

d) variable

18 / 89

18. When a variable is assigned a number that is too large for its data type, it is called:

a) Topflow

b) Overflow

c) Excess

d) Underflow

19 / 89

19. which of the following is a correct assignment statement

a) None

b) constant=varaible

c) constant=value

d) variable=constant

20 / 89

20. Which of the following operators is used to assign a value to a variable

a) =

b) +

c) *

d) >

21 / 89

21. Which statement can be used to store letter A in char variable someChar?

a) someChar = "A"

b) someChar =’A’;

c) None

d) someChar = A;

22 / 89

22. const, double and int and examples of:

a) Comments

b) None

c) Directives

d) Reserved Words

23 / 89

23. What is the value of the following expression? 20.0 * (9/5) + 32.0

a) 54.0

b) 53.0

c) 52.0

d) 51.0

24 / 89

24. The value of the C expression 13 + 211 % 4 – 2 is:

a) 16

b) 14

c) 11

d) 12

25 / 89

25. Which of the following operator has the highest priority?

a) | |

b) &&

c) !

d) None

26 / 89

26. The value of the C expression 5/ 9 * 2 is:

a) 0.27

b) 11

c) 0

d) 1.11

27 / 89

27. The value of the C expression 9/ 5* 2 is:

a) 0.9

b) 0

c) 3.6

d) 2

28 / 89

28. Which of the following has the highest precedence

a) ++

b) | |

c) &&

d) None

29 / 89

29. The expression 0%4 has a value equal to:

a) None

b) Both a and b

c) 4

d) 0

30 / 89

30. The expression 3%5 has a value equal to:

a) 5

b) None

c) 0

d) 3

31 / 89

31. Precedence determines which operator:

a) is faster

b) operates on largest number

c) is most important

d) is used first

32 / 89

32. The expression 10%3 has a value equal to ;

a) 4

b) 1

c) 3

d) 2

33 / 89

33. Which of the following operators works only with integer value?

a) +

b) –

c) %

d) /

34 / 89

34. The equivalent statement of sum=sum-num is:

a) sum -=num

b) sum=num

c) sum" -num

d) sum= – -num

35 / 89

35. The modulus operator is used for:

a) Integer remainder

b) Exponentiation

c) Division

d) Multiplication

36 / 89

36. Which address operator indicates the address of a variable?

a) /a

b) &

c) %

d) #

37 / 89

37. Comments are used to increase the of the program?

a) complexity

b) readability

c) none

d) visibility

38 / 89

38. Which of the following is NOT arithmetic operator?

a) %

b) +

c) –

d) >

39 / 89

39. An assignment statement will:

a) Both a and b.

b) Store the results of a calculation

c) Perform a Calculation

d) Display the results of a calculation

40 / 89

40. The only binary operator in the following is.

a) +

b) —

c) ++

d) –

41 / 89

41. All of the following are valid expressions EXCEPT:

a) Sales – Profit

b) Mile, Gallons

c) M/n

d) Pi* Radius

42 / 89

42. Comments are written at

a) Anywhere

b) Top

c) Middle

d) Bottom

43 / 89

43. Comments are written inside these symbol

a) /**/

b) /##/

c) //

d) /{}/

44 / 89

44. An expression consists

a) Variable

b) Arithmetic operators

c) Constant

d) all

45 / 89

45. An expression consists of

a) None

b) Operators

c) Operators and Operand

d) Operand

46 / 89

46. How many bytes are occupied by the statement float a,b;

a) 4

b) 16

c) 2

d) 8

47 / 89

47. what is the valid range of numbers for int type of data

a) None

b) 0 to 256

c) -32768 to +32767

d) 65536 to +65536

48 / 89

48. A character constant must be enclosed in:

a) Pound Sign (#)

b) Exclamation sign (!)

c) Quotation marks ("’)

d) Single Quotes (`)

49 / 89

49. Which of the following are valid examples of character constant?

a) All

b) `$`

c) ‘A’

d) ‘9’

50 / 89

50. Which of the following can be used as character constant:

a) Special characters

b) Digits

c) All

d) Characters

51 / 89

51. Which of the following constant definitions is correct

a) const float PRICE= 3,500;

b) const float COST = $700.0;

c) constant MY_HEIGHT 60 / 12;

d) constant LENGTH=6.5;

52 / 89

52. Which of the following statements is correct?

a) string black = ‘white’;

b) int continue = 5.0;

c) int day, night;

d) float numl; num2;

53 / 89

53. Which is NOT a valid statement to initialize a variable?

a) None

b) int=100;

c) long population=15000;

d) constant int N=100;

54 / 89

54. Which is a valid statement for initialization of a variable?

a) int n=100;

b) char grade=`a`;

c) int x=50, r=75;

d) All

55 / 89

55. A process of assigning initial value to a variable at the time of declaration

a) none

b) initializing

c) assiging

d) naming

56 / 89

56. Which of the following data types is most appropriate for storing a name?

a) int

b) none

c) float

d) char

57 / 89

57. Which is a valid statement for declaring a variable?

a) All

b) int a,b,c;

c) double salary;

d) int marks;

58 / 89

58. seperating each variable while declaring more than one variable on the same line

a) semicolon

b) colons

c) commas

d) pipes

59 / 89

59. Which of the following are required to declare a variable?

a) variable name

b) keyword

c) variable name and data type

d) data type

60 / 89

60. which of the following statement is NOT legal

a) char ch=65;

b) char ch=`b`;

c) char ch=`0`;

d) char ch=“cc“:

61 / 89

61. the constant 0.156e+6 represent the same value as

a) 6.15

b) 150000.0

c) 0.21

d) 0.758

62 / 89

62. Another way to write the value 3452211903 is

a) 3.452211903×09

b) 3.452211903e-09

c) 3452211903e09

d) 3.452211903e09

63 / 89

63. which variable should be used to store the value “I want an A in the case

a) none

b) int

c) float

d) char

64 / 89

64. the number of bytes used by char data type in C is

a) 2

b) 12

c) 1

d) none

65 / 89

65. Which of the following data type is used to store string value?

a) char

b) string

c) none

d) float

66 / 89

66. The number of digits after a decimal point is called:

a) Scpe

b) Range

c) Significance

d) Precision

67 / 89

67. The exponential notation consists of:

a) Exponent and Mantiissa

b) None

c) Range

d) Mantissa

68 / 89

68. What happens when the result of a calculation exceeds the capacity of data type?

a) System error

b) Logic error

c) Syntax error

d) Overflow

69 / 89

69. The number of bytes used by double data type in C is:

a) 12

b) 8

c) 16

d) None

70 / 89

70. The number of bytes used by float data type in C is:

a) 2

b) 4

c) 12

d) None

71 / 89

71. The float, long float and double data types are known as:

a) character data

b) real data

c) integral data

d) integer data

72 / 89

72. The data type that can handle decimal places is:

a) long

b) float

c) None

d) char

73 / 89

73. The integer, long and short data types are known as:

a) Non-numeric data types

b) Integer datatype

c) None

d) Non-Integral datatype

74 / 89

74. An integer variable can store the value:

a) 5.5

b) -1.1

c) 32898

d) "123"

75 / 89

75. The number of bytes used by int data type in C is?

a) 2

b) 12

c) 8

d) None

76 / 89

76. Which is a numeric data type?

a) float

b) none

c) int and float

d) int

77 / 89

77. Which data type is used to store numeric value with no decimal point?

a) Float

b) Char

c) None

d) Int

78 / 89

78. which term describes the kind of values that a variable can store?

a) None

b) Datatype

c) VariableName

d) VariableType

79 / 89

79. Which of the following is NOT a valid identifier?.

a) MyInteger

b) Return

c) none

d) MyInt

80 / 89

80. which of the following are valid variable names?

a) None

b) Integer and notlongenough

c) notlongenough

d) Integer

81 / 89

81. Variable names can not begin with a(n):

a) none

b) return

c) Uppercase-letter

d) Number

82 / 89

82. Variable and constant names can not contain a(n):

a) Period

b) Underscore

c) Letter

d) None

83 / 89

83. a+=b is equivalent to

a) a=a+b

b) a=+b

c) b=b+a

84 / 89

84. C is strongly typed language, it means that:

a) The variable declaration also defines the variable

b) None

c) Every variable must be declared before it is being used

d) Every program must be compiled before execution

85 / 89

85. Which of the following operators has lowest precedence?

a) =

b) !

c) None

d) +

86 / 89

86. Which of the following is a valid character constant

a) None

b) a.

c) "Hello"

d) ‘6’

87 / 89

87. A memory location with some data that cannot be changed is called:

a) Variable

b) Constant

c) None

d) Keyboard

88 / 89

88. Variables are created in:

a) None

b) RAM

c) Hard disk

d) ROM

89 / 89

89. A memory location with some data that can be changed is called:

a) Named constant

b) Name constant

c) Variable

d) None

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Rawalpindi Board 2nd year Computer Science Chapter 10

/29

RWP_2ND_CS_10

Rawalpindi Board 2nd year Computer Science Chapter 10

1 / 29

1. Which of the following is not a valid escape code?

a) \ y

b) \ t

c) \ f

d) \ r

2 / 29

2. Which character signifies the beginning of an escape sequence?

a) /

b) \

c) {

d) //

3 / 29

3. Which escape sequence is used to erase a character left to the cursor position’

a) \ b

b) \ del

c) \ c

d) \ f

4 / 29

4. Which character signifies the beginning of an escape sequence?

a) \

b) //

c) {

d) None

5 / 29

5. Which function is used to input data in C-program?

a) gets()

b) All

c) scanf

d) getch()

6 / 29

6. The escape sequence for backslash is?

a) \

b) \ b

c) \ \

d) None

7 / 29

7. Which escape sequence moves the cursor at the beginning current line also called carriage return?

a) \b

b) \a

c) \m

d) \r

8 / 29

8. Which escape,sequence can be used to insert a ‘lab in C?

a) / a

b) / t

c) \ b

d) None

9 / 29

9. Which escape sequence can be used to beep from speaker in C?

a) \ a

b) / t

c) \ b

d) \ h

10 / 29

10. Which escape sequence can be used to begin a new line in C?

a) \a

b) None

c) \b

d) \n

11 / 29

11. An ampersand before the name of a variable denotes

a) Actual Value

b) Data Type

c) Address

d) Variable Name

12 / 29

12. The statement printf (“%-10d”, n) will display the value of an :

a) Center-justified in ten character space

b) None

c) Right justified in ten-character space

d) Left justified in ten-character space

13 / 29

13. The statement printf (“%10d”,n) will display the value of an

a) Left-justified in ten-character space

b) Right justified in ten-character space

c) None

d) Center-justified in ten character space

14 / 29

14. Which of the following symbol is used with ‘%, sign to display output left-justified

a) *

b) –

c) L

d) /

15 / 29

15. The general form of format specifier for floating point value:

a) % m.nf

b) None

c) rrf n%

d) m%.nf

16 / 29

16. he format specifier for output are:

a) All

b) %s for string

c) %d for int and %f for float

d) %c for char

17 / 29

17. Which of the following is NOT legal element of control string in printf statement?

a) Variable

b) Format specifier

c) Ordinary characters

d) None

18 / 29

18. which of the following is a possible value of flag

a) +

b) space

c) –

d) All

19 / 29

19. Which of the following format specifier used for string?

a) %c

b) %f

c) %d

d) %s

20 / 29

20. Which of the following format specifiers is used for float data type?

a) %f

b) %c

c) %d

d) %s

21 / 29

21. Which of the following format specifiers is used for character data type?

a) %f

b) %d

c) %s

d) %c

22 / 29

22. Which of the following format specifiers is used for integer data type?

a) %c

b) %f

c) %d

d) %s

23 / 29

23. Format specifier is started with symbol:

a) %

b) ?

c) None

d) %

24 / 29

24. Which of the following things are determined by format specifier?

a) All of these

b) Format of the value

c) Field width

d) Data type

25 / 29

25. Which of the following is displayed by printf function?

a) One

b) Many

c) Ten

d) Two

26 / 29

26. The-function getche( ) is defined in:

a) unsigned float

b) unsigned long int

c) unsigned short

d) None

27 / 29

27. The function that is used to display output on screen is called:

a) pow

b) scanf

c) None

d) printf

28 / 29

28. The functions used for input and output is stored in:

a) conio.h

b) math.h

c) math.h

d) stdio.h

29 / 29

29. Which of the following function is used to input data in C programs?

a) scanf

b) get()

c) printf

d) None

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Rawalpindi Board 2nd year Computer Science Chapter 11

/35

RWP_2ND_CS_11

Rawalpindi Board 2nd year Computer Science Chapter 11

1 / 35

1. ……………… label provides the code that executes if no case label is matched.

a) stop

b) default

c) end

d) last

2 / 35

2. The value of expression in switch statement must be of type:

a) float

b) int

c) char

d) a or b

3 / 35

3. The value of expression in switch statement must be of type:

a) char

b) a or b

c) int 3

d) float

4 / 35

4. The expression may be:

a) Relational

b) Logical

c) a or b

d) Compound

5 / 35

5. 30.x = 10 and y = 5, what will the output of the following expression? x > y ? x*y : x+y;

a) 15

b) 50

c) 3

d) 10

6 / 35

6. Conditional operator is an-alternative of

a) None

b) if

c) if-else

d) nested if

7 / 35

7. switch statement is an alternative of:

a) if-else

b) None

c) nested if

d) nested if-else

8 / 35

8. Which of the following is used for making two way decision structure

a) if

b) None

c) nested if

d) if-else

9 / 35

9. Which operator in C is called a ternary operator?

a) if

b) ( )

c) ?

d) ++

10 / 35

10. Conditional operator takes…………operands.

a) 3

b) 0

c) 2

d) 1

11 / 35

11. Another term for a conditional operator is:

a) Ternary

b) Byte

c) None

d) Binary

12 / 35

12. Which of the following is equivalent to (p >= q)?

a) p < q

b) !(p < q)

c) p > q

d) None

13 / 35

13. The Case block ends with:

a) End Case

b) break

c) None

d) End Select

14 / 35

14. How many times is the test expression of a switch statement evaluated?

a) 1

b) 0

c) None

d) Once for each Case

15 / 35

15. “Which of the following are valid case statements in a switch?

a) case 1:

b) case ‘ab’:

c) case 1.5:

d) case x<4:

16 / 35

16. Graphical representation of a program is called:

a) Logical chart

b) Binary chart

c) Flowchart

d) E-R chart

17 / 35

17. Which keyword is not used in switch statement?

a) case

b) default

c) if

d) switch

18 / 35

18. Which is an example of multiple branches from single expression?

a) switch

b) All

c) if

d) while

19 / 35

19. What does a compound condition use to join two conditions?

a) Relational Results

b) Logical Results

c) Logical Operator

d) Relational Operator

20 / 35

20. An if statement inside the true block Of another if statement is called:

a) A branched if statement

b) A conditional operator

c) A nested if statement

d) A relational operator

21 / 35

21. refers to group of statements enclosed in opening and closing braces.

a) Control structure

b) Instruction

c) Compound statement

d) Sequence structure

22 / 35

22. In if statement, true is represented by

a) 0

b) 2

c) 1

d) 3

23 / 35

23. In if statement, false is represented by:

a) 3

b) 0

c) 1

d) 2

24 / 35

24. The keywords………………is used to specify two different choices with “if” statement

a) if

b) else

c) switch

d) default

25 / 35

25. Which of the following statements is the simplest form of a decision structure?

a) If statement

b) Select…Case

c) Nested if

d) Try…Catch…Finally

26 / 35

26. When a relational expression is false, it has the value

a) <0

b) 0

c) None

d) 1

27 / 35

27. The operators to compare operands and decide if the relation is true or false are:

a) Syntax operators

b) Logical operators

c) Syntax operators

d) Relational operators

28 / 35

28. You can use a decision statement to:

a) All of the these

b) Run a statement if a test fails

c) Test a series of conditions

d) Test if a condition is true or false

29 / 35

29. Relational operators allow you to numbers.

a) Multiply

b) Compare

c) Divide

d) Add

30 / 35

30. An expression that uses a relational operator is known as:

a) Relational

b) Sequential

c) Operational

d) Serial

31 / 35

31. Which programming structure makes a comparison?

a) Sequence

b) Repetition

c) Decision

d) Relation

32 / 35

32. Another term for a computer making a decision is:

a) Iteration

b) Selection

c) Sequential

d) Repetition

33 / 35

33. Which programming structure executes program statements in order?

a) Sequence

b) Decision

c) Repetition

d) Relation

34 / 35

34. The three programming structures are:

a) Sequence, decision, and repetition

b) Process, decision, and alternation

c) Relation, comparison, and process

d) Sequence, definition, and process

35 / 35

35. The three programming structures are:

a) Relation, comparison, and process

b) Sequence, decision, and repetition

c) Sequence, definition, and process

d) Process, decision, and alternation

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Rawalpindi Board 2nd year Computer Science Chapter 12

/35

0 votes, 0 avg

RWP_2ND_CS_12

Rawalpindi Board 2nd year Computer Science Chapter 12

1 / 35

1. The………………. in the while loop controls the loop iteration.

a) {}

b) condition

c) colon :

d) semi-colon;

2 / 35

2. Which symbol is used to show the beginning and ending of statements block?

a) {}

b) -> and <-

c) (and)

d) begin and end

3 / 35

3. In while loop, the loop control variable is always initialized:

a) Outside the program

b) Inside the loop body

c) Outside the body of loop

d) None

4 / 35

4. There are three expressions in for loop statement separated by:

a) Semi colon ;

b) equal=

c) Comma ,

d) colon :

5 / 35

5. There are ………….expressions in for loop statement:

a) three

b) four

c) six

d) five

6 / 35

6. There are ………….expressions in for loop statement:

a) colon :

b) equal=

c) Comma ,

d) Semi colon ;

7 / 35

7. The keyword ‘break’ cannot be used within

a) while

b) for

c) do-while

d) if-else

8 / 35

When does the code block following while(x<100) execute?

a) When x is greater than one hundred

b) When x is less than one hundred

c) When x is equal to one hundred

d) None

9 / 35

9. The body of for loop with single statement ends with:

a) Comma ,

b) Semi colon ;

c) Right bracket I

d) Right brace

10 / 35

10. he body of while loop with multiple statements ends with

a) Right brace}

b) Comma ,

c) Right bracket I

d) Semi.colon ;

11 / 35

11. When is while loop more appropriate than for loop?

a) The terminating condition.occurs unexpectedly

b) The body of loop will be executed at least once

c) The program will be executed at least once

d) The number times the loop will be executed is known before the loop executes

12 / 35

12. When is for loop more appropriate than while loop?

a) The loop should be executed at least once

b) The termination condition is known in advance

c) The loop should be executed only once

d) The number of iterations is not known in advance

13 / 35

13. Which of the following is a loop statement?

a) None

b) if-else

c) switch

d) if

14 / 35

14. Semicolon is placed at the end of condition in:

a) do-while loop

b) for loop

c) while loop

d) All

15 / 35

15. while loop is also called:

a) Conditional loop

b) Continuous loop

c) wend loop

d) Counter loop

16 / 35

16. If you want a user to enter exactly 20 values, which loop would be the best to use?

a) for

b) infinite

c) While

d) do-while

17 / 35

17. This means to increase a value by one:

a) Decrement

b) Modulus

c) Increment

d) Inc

18 / 35

18. This statement may be used to stop a loop’s current iteration and begin next one:

a) next

b) terminate

c) continue

d) break

19 / 35

19. A for statement contains three expressions: initialization, test and

a) Recalling

b) Validation

c) Assignment

d) Increment/ decrement

20 / 35

20. A special value that marks the end of a list of input data is called:

a) sentinel value

b) loop control value

c) Terminal value

d) input value

21 / 35

21. Which statement is used to move the control to the start of loop body?

a) continue

b) switch

c) break

d) goto

22 / 35

22. The loop which never ends is called:

a) Running loop

b) Continuous loop

c) Infinite loop

d) Nested loop

23 / 35

23. A loop within-a loop is called:

a) Nested loop

b) Complex loop

c) Dual loop

d) Infinite loop

24 / 35

24. This statement causes a loop to terminate early?

a) exit

b) a and b

c) break

d) terminated

25 / 35

25. loop is a good choice when you know many times you want loop to iterate in advance of entering loop

a) while

b) for

c) nested

d) do-while

26 / 35

26. Which of the following loop is called counter loop

a) None

b) for

c) while

d) do-while

27 / 35

27. In which loop the condition comes after the body of the loop?

a) do-while loop

b) while loop

c) b and c

d) None

28 / 35

28. In Which loop the condition comes before the body of the loop?

a) do-while loop

b) for loop

c) for loop

d) while loop

29 / 35

29. Which loop structure lire always executes at least Once

a) all

b) do-while

c) while

d) for

30 / 35

30. Where should be the loop control variable initialized?

a) In the last statement of the loop body

b) None

c) Before the loop starts

d) Anywhere in the loop body

31 / 35

31. A counter can be defined as:

a) the final value of loop

b) None

c) the step value of a loop

d) a variable that counts loop iterations

32 / 35

32. Which of the following loop is available in C language?

a) while

b) All

c) for

d) do-while

33 / 35

33. How many types of loop structure are available in .C

a) 6

b) 3

c) 2

d) 1

34 / 35

34. One execution of a loop is known as a(n)

a) Test

b) Duration

c) Cycle

d) Iteration

35 / 35

35. This is a control structure that causes a statement or group of statements to repeat

a) Logical

b) decision statement

c) sequencial

d) Loop

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Rawalpindi Board 2nd year Computer Science Chapter 13

/34

0 votes, 0 avg

RWP_2ND_CS_13

Rawalpindi Board 2nd year Computer Science Chapter 13

1 / 34

1. The………of a function describes the number and type of its arguments and return type of function

a) Name

b) Header

c) none

d) Type

2 / 34

2. Which of the following is TRUE for return statement in a function?

a) It cannot be used in a function

b) It can return integer value only

c) It cannot return any value

d) It can return one value only

3 / 34

3. A type of function written by the programmer is known as:

a) User-defined

b) Subprograms

c) Subroutines

d) built-in function

4 / 34

4. Local variables are also called:

a) none

b) Automatic variables

c) Normal variable

d) Basic variables

5 / 34

5. Which of the following looks for the prototypes of functions used in a program?

a) Loader

b) Compiler

c) Linker

d) Parser

6 / 34

6. Which of the following is true about a function call?

a) Transfer control to the main function

b) none

c) Transfer control to the called function

d) Stops the execution of the program

7 / 34

7. A variable declaration outside any function is known as:

a) External variable

b) Static variable

c) Global variable

d) Local variable

8 / 34

8. A variable declared inside a function is known as:

a) Automatic variable

b) Local variable & Automatic variable

c) none

d) Local variable

9 / 34

9. A variable declared inside a function is known as:

a) Global variable

b) Automatic variable

c) Local variable

d) none

10 / 34

10. The scope of a variable refers to its:

a) none

b) Name

c) Accessibility

d) Data type

11 / 34

11. Which statement is used by a function use to return a value?

a) give

b) continue

c) none

d) return

12 / 34

12. Multiple arguments to a function are separated by:

a) Comments

b) Colons

c) none

d) Commas

13 / 34

13. The parameters in function declaration are called:

a) Returned parameters

b) none

c) Actual parameters

d) Formal parameters

14 / 34

14. Which of the following is incorrect?

a) A function must have at least one value parameter

b) A function can return values input by the user.

c) none

d) A function can be called many times in a program

15 / 34

15. What is the variable name that is used by a function to receive passed values?

a) Parameter

b) none

c) Function

d) Expression

16 / 34

16. Which of the following steps takes place when function is called?

a) none

b) Both a and b

c) The control returns back to the calling function

d) All statements in the function body are executed

17 / 34

17. The statement that activates a function is known as:

a) Function output

b) Function definition

c) none

d) Function call

18 / 34

18. The first line of function definition is known as:

a) none

b) Arguments

c) Function body

d) Function header

19 / 34

19. The function definition consists of:

a) none

b) Function header or function declaration

c) Function body

d) Function body & Function declaration

20 / 34

20. The process of sending an argument to a function is called:

a) Delivering

b) Filtering

c) Passing

d) Sending

21 / 34

21. A value that can be gent to a function is known as:

a) Argument

b) Indicator

c) Returned Value

d) none

22 / 34

22. Function definition can be written:

a) none

b) Before main() function

c) After main() function

d) All of these

23 / 34

23. In a C program, two functions can have:

a) Same name and same parameters

b) Same parameters

c) Same name but different parameters

d) none

24 / 34

24. Function declaration consists of:

a) All of these

b) Function return type

c) Number and types of parameters

d) none

25 / 34

25. A built-in function:

a) can be redefined

b) Cannot return a value

c) none

d) Cannot be redefine

26 / 34

26. The printf is a:

a) Local function

b) User-defined function

c) Built-in function

d) none

27 / 34

27. Formal arguments are also called:

a) Dummy arguments

b) none

c) Referenced argument

d) Actual arguments

28 / 34

28. The name of actual and formal parameters:

a) Must be different

b) none

c) May or may not be same

d) Must be same

29 / 34

29. Memory is allocated to a local variable at the time of its:

a) none

b) Destruction

c) Declaration

d) Definition

30 / 34

30. Global variables are created in:

a) none

b) ROM

c) RAM

d) Hard disk

31 / 34

31. Function prototype for built-in functions are specified in:

a) Image files

b) Object files

c) Source file

d) Header file

32 / 34

32. A type of function that is available as part of language is known as:

a) Sub-program

b) User-defined function

c) none

d) Library function

33 / 34

33. Another name for built-in function is:

a) Library function

b) User-defined function

c) Arithmetic function

d) none

34 / 34

34. Which of the following is type of function available in C language?

a) Built-in & User-defined

b) Built-in

c) User-defined

d) none

Your score is

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Rawalpindi Board 2nd year Computer Science Chapter 14

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Rawalpindi Board 2nd year Computer Science Chapter 14

1 / 20

1. Which of the following functions is used to write character to a file?

a) fputch(

b) fputs(

c) putc(

d) none

2 / 20

2. Which of the following functions is used to read character from a file?

a) getc( )

b) none

c) putc( )

d) puts( )

3 / 20

3. Which of the following are file handling functions?

a) fprintf( ) & make()

b) fprintf( )

c) make()

d) none

4 / 20

4. Which of the following function is used to copy a string to an array of characters/

a) none

b) strp

c) strpce

d) strcpy

5 / 20

5. Which of the following character is used to mark the end of the string?

a) /0

b) \a

c) \n

d) \0

6 / 20

6. An array script should be:

a) int

b) double

c) float

d) An Array

7 / 20

7. On successfully closing a file, the fclose( ) returns?

a) 1 (One)

b) 0 (Zero)

c) FILE pointer

d) NULL

8 / 20

8. Which of the following functions is used to write a string to a file?

a) fgets( )

b) puts( )

c) none

d) putc()

9 / 20

9. An is a group of contiguous memory location to store data of same data type.

a) Variable

b) Union

c) Structure

d) Array

10 / 20

10. In the statement FILE* fp, the * represents:

a) Pointer

b) Variable

c) Multiplication

d) none

11 / 20

11. The f open() function uses parameters.

a) 4

b) 3

c) 5

d) 2

12 / 20

12. In file opening mode, data can only be written to the file:

a) W

b) r+

c) W+

d) r

13 / 20

13. In file opening mode, data can only be read from an existing file:

a) W+

b) r

c) W

d) r+

14 / 20

14. A can store text only.

a) Text file

b) none

c) Exe file

d) Object file

15 / 20

15. A streamis a interface to a file.

a) Logical

b) Serial

c) none

d) Parallel

16 / 20

16. stream can be disassociated from a file using operation:

a) Stop

b) End

c) none

d) Close

17 / 20

17. A stream can be associated with a file using an operation:

a) none

b) Open

c) New

d) Ready

18 / 20

18. A sequence of characters from input device to computer is called :

a) Binary stream

b) Input device

c) Text stream

d) none

19 / 20

19. Which mode opens only an existing file for both reading and writing?

a) "r+"

b) none

c) "w"

d) "w+"

20 / 20

20. A file is stored in?

a) Hard disk

b) none

c) RAM

d) ROM

Your score is

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