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 target code produce by the compiler is:

a) source code

b) linked code

c) library code

d) object code

2 / 123

2. Which loop structure always executes at least once?

a) while

b) while wend

c) DO-while

d) for

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3. Switch statement is an alternative of:

a) while loop

b) for loop

c) nested loop

d) do_while loop

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4. 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?"

5 / 123

5. In if statement false is represented by:

a) 2

b) 4

c) 0

d) 3

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6. While loop is also called:

a) wend loop

b) counter loop

c) nested loop

d) conditional loop

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7. In if statement, true is represented by:

a) 1

b) 3

c) 2

d) 0

8 / 123

8. Conditional operator is an alternative of:

a) for

b) if_else

c) do-while

d) for-each

9 / 123

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

a) tuple

b) view

c) table

d) report

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10. The lowest level of programming is called:

a) assembly language

b) pascal

c) Fortran

d) java

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

a) float

b) int

c) long

d) char

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12.

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

a) 6

b) 9

c) 7

d) 5

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13. The output of compiler is called:

a) linked code

b) library code

c) source code

d) object code

14 / 123

14. The graphical query tool is know as :

a) query form

b) design grid

c) design form

d) query grid

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

a) sorting

b) summarizing

c) data capturing

d) classifyimg

16 / 123

16. An attribute is also know as:

a) record

b) relation

c) entity

d) field

17 / 123

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

a) continue

b) break

c) switch

d) default

18 / 123

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

a) nested loop

b) DO-while loop

c) for loop

d) while loop

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19. The”.exe” file is produced by:

a) linker

b) interpreter

c) loader

d) compiler

20 / 123

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

a) 2

b) 50

c) 20

d) 5

21 / 123

21. Microsoft access save the database with the extension:

a) .mdb

b) .msdb

c) .mxls

d) .madb

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22. An array script should be:

a) float

b) int

c) an array

d) double

23 / 123

23. A built-in function:

a) exit do

b) end while

c) can be redefined

d) cannot be redefined

24 / 123

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

a) relation

b) entity

c) attribute

d) relationship

25 / 123

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

a) record

b) database

c) field

d) module

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

a) abort

b) stop

c) end

d) break

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27. The example of popular DBMS is :

a) MS_word

b) MS-execl

c) MS-acess

d) MS-power point

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

a) "w+"

b) "a"

c) "w"

d) "r+"

29 / 123

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

a) initialize

b) identify

c) specify

d) size

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30. In MS access ,table contains:

a) file

b) records

c) character

d) field

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

a) master file

b) backup file

c) data file

d) transaction file

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

a) condition

b) for

c) while

d) do-while

33 / 123

33. stdio stand for:

a) simple input output

b) start input output

c) string input output

d) standard input output

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34. Which operation is performed by relational operator:

a) addition

b) comparison

c) division

d) subtraction

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

a) attribute

b) entity

c) table

d) records

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36. The case block ends with:

a) break

b) end case

c) case else

d) end select

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

a) text

b) boarder text

c) header

d) title

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38. Relational operator allow you to _________ numbers:

a) compare

b) multiply

c) divide

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

a) constant

b) expression

c) funtion

d) parameter

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40. Duplicate data in multiple data files is called:

a) program dependency

b) data integrity

c) data redundancy

d) data consistency

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41. a+=b is equal to:

a) b+=a

b) a=a+b

c) a=+b

d) b=b+a

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42. A constraint between two attributes is called:

a) attribute dependency

b) functional relation

c) relation constraint

d) functional dependency

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

a) pointer

b) parameter

c) multiplication

d) variable

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

a) table

b) form

c) field

d) relation

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

a) fgets()

b) getc()

c) putc()

d) fputs()

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46. The format specifier %f is used for:

a) double

b) float

c) int

d) long

47 / 123

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

a) Non-key attribute

b) key attribute

c) composite key

d) sort key

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

a) identifier

b) object

c) attribute

d) relationship

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

a) funtion body

b) funtion header

c) return type

d) arguments

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50. In an E_R diagram , a rectangle represent:

a) attribute

b) relationship

c) none

d) entity

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51. Conditional operator takes :

a) one operands

b) three operands

c) two operands

d) four operands

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52. Global variable are created in:

a) RAM

b) cache

c) ROM

d) hard disk

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

a) while

b) for

c) DO-while

d) for-each

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

a) test

b) duration

c) iteration

d) cycling

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55. 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) 7

d) 9

56 / 123

56. In E-R diagram a rectangle represents:

a) attribute

b) relationship

c) entity

d) record

57 / 123

57. int is a____ in c?

a) keyword

b) cut word

c) special word

d) first word

58 / 123

58. A file is stored in :

a) ROM

b) RAM

c) cache

d) hard disk

59 / 123

59. _______ is not a database object:

a) MS word

b) query

c) table

d) report

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

a) compiling

b) linking

c) saving

d) executing

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

a) math.h

b) stdio.h

c) inout.h

d) conio.h

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

a) void

b) nothing

c) int

d) float

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

a) data inconsistency

b) data redundancy

c) data integrity

d) data isolation

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64. The foreign key is found in:

a) index table

b) parent table

c) dependent table

d) pivot table

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65. Which programming structure executes program statements in order:

a) repetition

b) decision

c) sequence

d) relation

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

a) mutually exclusives

b) synonym

c) homonym

d) acronym

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

a) 255

b) 55

c) 31

d) 25

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68. Which keyword is not used in switch statement:

a) default

b) switch

c) case

d) if

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69. The column of a table is know as:

a) table

b) field

c) record

d) cell

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

a) byte

b) record

c) field

d) character

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

a) scanf()

b) gets()

c) print()

d) printf()

72 / 123

72. In relational database a table is also called:

a) relation

b) file

c) tuple

d) schema

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73. Merging the relation is also know as:

a) view tables

b) view integration

c) view entities

d) view relations

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74. Which statement is used for making two decision

a) if

b) while

c) nested -if

d) if-else

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75. A database consist of various components called:

a) objects

b) properties

c) entities

d) tools

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

a) partial

b) non-functional

c) transitive

d) associative

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

a) person-date of birth

b) mother -daughter

c) Country-capital

d) field

78 / 123

78. A logical group of character is a:

a) field

b) table

c) file

d) record

79 / 123

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

a) identifier

b) relationship

c) attribute

d) entity

80 / 123

80. The extension of image file is:

a) .doc

b) .ppt

c) .bmp

d) .exl

81 / 123

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

a) foreign key

b) global key

c) multi valued key

d) composite key

82 / 123

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

a) transitive

b) partial

c) functional

d) associative

83 / 123

83. Which of the fallowing may be temporary file:

a) backup file

b) transaction file

c) master file

d) office file

84 / 123

84.

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

a) 5

b) 7

c) 8

d) 4

85 / 123

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

a) constant

b) variable

c) address

d) named constant

86 / 123

86. Formal arguments are also called:

a) dummy arguments

b) actual arguments

c) original arguments

d) referenced arguments

87 / 123

87. ____ is a loop statement:

a) if else

b) for

c) switch

d) if

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88. Which is a loop stunt:

a) switch

b) if else

c) if

d) for

89 / 123

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

a) %e

b) %s

c) %D

d) %c

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90. Relational operator allow you to:

a) divide

b) compare

c) add

d) multiply

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91. A funtion can return ________ value:

a) 4

b) 3

c) 1

d) 2

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92. A record may be based on :

a) table

b) bits

c) byte

d) field

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93. The extension of a header file is:

a) .c

b) .h

c) .hf

d) .txt

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94. Which form of dependency removed in 2nf?

a) functional

b) associative

c) transitive

d) partial

95 / 123

95. Which data type is the default data type:

a) text

b) number

c) memo

d) auto number

96 / 123

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

a) data item

b) attribute

c) tuple

d) record

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

a) text

b) memo

c) number

d) date\time

98 / 123

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

a) underscore

b) period

c) letter

d) number

99 / 123

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

a) fgets()

b) fscan()

c) frintf()

d) fputc()

100 / 123

100. The extension of C source program is:

a) .C

b) .h

c) .exe

d) .obj

101 / 123

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

a) test

b) duration

c) cycle

d) iteration

102 / 123

102. Format specifier is started with symbol:

a) %

b) *

c) ?

d) &

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

a) \n

b) \a

c) \m

d) \b

104 / 123

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

a) selection

b) iteration

c) repetition

d) sequential

105 / 123

105. Which of the fallowing is valid character constant:

a) "c"

b) a

c) =

d) ‘@’

106 / 123

106. Another term for conditional operator:

a) iteration

b) binary

c) ternary

d) byte

107 / 123

107. _______ form of dependency removed in 3nf:

a) transitive

b) non functional

c) partial

d) functional

108 / 123

108. In visual basic variable cannot contain:

a) underscore

b) letter

c) period

d) number

109 / 123

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

a) 3

b) 1

c) 4

d) 2

110 / 123

110. A form within another form is called:

a) query form

b) design form

c) design grid

d) query grid

111 / 123

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

a) 3

b) 5

c) 8

d) 2

112 / 123

112. The manipulated and processed data is called:

a) object

b) data

c) knowledge

d) information

113 / 123

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

a) form

b) macro

c) query

d) table

114 / 123

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

a) 250

b) 155

c) 255

d) 50

115 / 123

115. Which is numeric data type with decimal point:

a) char

b) int

c) float

d) long

116 / 123

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

a) interaction of

b) rows and column

c) matrix element

d) x and y co-ordinate

117 / 123

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

a) interpreter

b) compiler

c) loader

d) linker

118 / 123

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

a) strcpy

b) strcp

c) strpcy

d) sopy

119 / 123

119. A loop with in a loop is called:

a) running loop

b) nested loop

c) complex loop

d) infinite loop

120 / 123

120. The output of compiler is:

a) library code

b) object code

c) linked code

d) source code

121 / 123

121. The loop which never end is called:

a) running loop

b) continuous loop

c) infinite loop

d) nested loop

122 / 123

122. The fopen() funtion used_________ parameters?

a) 2

b) 1

c) 4

d) 5

123 / 123

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

a) relationship

b) descriptors

c) entities

d) attribute

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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) Data manipulation

b) None

c) Operation

d) Data manipulation and operation

2 / 57

2. A collection of related fields is called:

a) File

b) Character

c) Record

d) Database

3 / 57

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

a) Record

b) Field

c) Character

d) Byte

4 / 57

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

a) Person

b) All

c) Product

d) Event

5 / 57

5. A logical grouping of character is a

a) all

b) field

c) record

d) file

6 / 57

6. A field is to a record as

a) A column is to a row

b) files are to table

c) data are to file

d) attribute are to columns

7 / 57

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

a) field

b) file

c) cell

d) record

8 / 57

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

a) field

b) file

c) cell

d) record

9 / 57

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

a) module

b) field

c) record

d) file

10 / 57

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

a) record

b) database

c) module

d) field

11 / 57

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

a) all

b) college management system

c) library management system

d) account & inventory system

12 / 57

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

a) data type

b) data warehouse

c) data structure

d) data model

13 / 57

13. Which of the following data model is more flexible

a) hierarchical model

b) relational model

c) a and b

d) network model

14 / 57

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

a) random file

b) indexed sequential file

c) direct access file

d) sequential file

15 / 57

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

a) backup file

b) none

c) transaction file

d) master file

16 / 57

16. SQL is a(n)

a) Un structured language

b) all

c) object oriented language

d) Structured language

17 / 57

17. SQL stands for

a) Seek Query Language

b) Structured Query Language

c) Self Query Language

d) Sort Query Language

18 / 57

18. SQL can be used to

a) modify database data only

b) create database structures only

c) all

d) query database data only

19 / 57

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

a) none

b) data file

c) both a and b

d) program 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) none

d) master file

21 / 57

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

a) transaction file

b) master file

c) none

d) backup file

22 / 57

22. Which of the following file consist the software instructions

a) data file

b) program file

c) none

d) both a and b

23 / 57

23. The extension of program file is

a) .com

b) .exe and .com both

c) none

d) .exe

24 / 57

24. Which of the following is an image file extension

a) all

b) .tif

c) .bmp

d) .jpg

25 / 57

25. The extension for a video file is

a) .mpg

b) .avi and .mpg

c) .avi

d) .txt

26 / 57

26. The extension of audio files is

a) .mid

b) .doc

c) .wav and .mid

d) txt

27 / 57

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

a) slash

b) colon

c) dot

d) semicolon

28 / 57

28. In “‘program.txt” , ‘txt” is the:

a) file location

b) directory

c) file name

d) extension

29 / 57

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

a) doc

b) mdb

c) rtf

d) txt

30 / 57

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

a) ALL

b) sequential file

c) indexed sequential file

d) direct or random file

31 / 57

31. The problem synonym occurs in:

a) None

b) Indexed sequential files

c) Direct or random files

d) Sequential files

32 / 57

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

a) Read only Access

b) Sequential Access

c) Random Access

d) Record Access

33 / 57

33. A database is an organized collection of related data

a) loosely

b) badly

c) physically

d) logically

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) Relational

b) Object-oriented

c) Network

d) Hierarchical

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) Network data model

b) Hierarchical data model

c) Relational data model

d) Object data model

38 / 57

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

a) Network data model

b) Hierarchical data model

c) Object data model

d) Relational data model

39 / 57

39. Information sharing means that:

a) The same information can be shared by different applications

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

c) Neither a nor b

d) Both a and b

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) Data Business Management Service

d) Database Modeling System

41 / 57

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

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

b) Hardware, Software, People and Data

c) DBMS, Hardware, User, Programmer, Engineer

d) Software, You, Me, DBA, Client

42 / 57

42. Data that causes inconsistency lacks:

a) Good data

b) Data redundancy

c) Data integrity

d) Data anomaly

43 / 57

43. In a database processing system:

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

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

c) The DBMS accesses the database data

d) a and c

44 / 57

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

a) Increased duplication of data

b) all

c) Reduced security and the control of data

d) Programs are independent of data format

45 / 57

45. DBMS stands for:

a) Data Business Model System

b) Database Modeling System

c) Data Business Management Service

d) Database Management System

46 / 57

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

a) Backup /Recovery

b) Data independence

c) Better data quality

d) Redundant data

47 / 57

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

a) Data dependence

b) Data relationships

c) Data integration

d) Data independence

48 / 57

48. Database application contain procedures for:

a) all

b) Adding records

c) Processing queries

d) Deleting records

49 / 57

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

a) Application programmer

b) Database administrator

c) All

d) End users

50 / 57

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

a) Network

b) Hierarchical

c) Object-oriented

d) Relational

51 / 57

51. The major component of DBMS is called

a) Data Manager

b) Database Manager

c) File Manager

d) All

52 / 57

52. Duplicate data in multiple data file is:

a) None

b) Data multiplication

c) Data redundancy

d) Data intergrity

53 / 57

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

a) data dictionary

b) data store

c) structure query language

d) data mine

54 / 57

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

a) Table

b) Report

c) Letter

d) Query

55 / 57

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

a) Entity

b) Screen

c) Report

d) Query

56 / 57

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

a) Reporter

b) Report Writer

c) Report Builder

d) Report Generator

57 / 57

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

a) Oracle

b) MS Access

c) SQL server

d) excel

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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 Application

b) Data basic Administration

c) Database authority

d) Database Administrator

2 / 37

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

a) Composite key

b) Secondary key

c) Candidate key

d) Primary key

3 / 37

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

a) Application programmer

b) Database administrator

c) Web designer

d) End user

4 / 37

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

a) Dependent table

b) View

c) All

d) Parent table

5 / 37

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

a) Primary key

b) Composite key

c) Sort key

d) Candidate key

6 / 37

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

a) Multivalued key

b) Foreign key

c) Global Key

d) Composite key

7 / 37

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

a) Global key

b) Link key

c) Logic Key

d) Foreign key

8 / 37

8. A candidate key is:

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

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

c) All

d) Primary key

9 / 37

9. Which field is the most appropriate primary key?

a) Name

b) Birth Date

c) NIC Number

d) Address

10 / 37

10. Which of the following can be a primary key

a) Last name

b) Customer ID

c) Region

d) Salary

11 / 37

11. How many primary keys can a table have?

a) 1

b) 1 to 5

c) any

d) 1 or 2

12 / 37

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

a) Zip code

b) Social security number

c) Order number

d) Student ID number

13 / 37

13. Which of the following describes the primary key?

a) It makes sorting quicker

b) It helps in indexing of a large database

c) It must be unique

d) All of the above

14 / 37

14. A key is:

a) the first field of a relation

b) the most important field in a record

c) the last field of a relation

d) none of these

15 / 37

15. Which of the following are properties of relations?

a) Each attribute has a unique name

b) All of the above

c) No two rows in a relation are identical

d) There are no multivalued attributes in a relation

16 / 37

16. An index can used to:

a) Improve the performance of the database

b) All

c) Reduce data dependency for application programs

d) Document the structure of the database

17 / 37

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

a) Each row is unique

b) The order of rows is insignificant

c) The order of columns is significant

d) Columns are all elemental or atomic

18 / 37

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

a) Tuple

b) Data item

c) Attribute

d) Data item

19 / 37

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

a) Attribute

b) Record

c) Entity

d) Field

20 / 37

20. A row of a relation is called:

a) Tuple

b) a and c

c) Attribute

d) Tuple

21 / 37

21. A relation is also known as:

a) Relationship

b) Attribute

c) Tuple

d) Table

22 / 37

22. An attribute is also known as a:

a) Field

b) Row

c) Table

d) Relation

23 / 37

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

a) x and y co-ordinates

b) Rows and columns

c) Matrix elements

d) Intersection of data

24 / 37

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

a) Group

b) Relation

c) Module

d) Set

25 / 37

25. A table should have:

a) Composite key

b) Primary key

c) Secondary key

d) Sort key

26 / 37

26. The foreign key is found in:

a) Dependent table

b) Index table

c) Parent table

d) Pivot table

27 / 37

27. The Columns of a table correspond to

a) Cell

b) Record

c) Table

d) Field

28 / 37

28. SQL is used for:

a) Data manipulation

b) All

c) Data definition

d) Data control

29 / 37

29. CREATE command is used to create:

a) Query

b) Record

c) View

d) Report

30 / 37

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

a) Relation

b) Tuple

c) View

d) Table

31 / 37

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

a) 10

b) Variable

c) Constant

d) 100

32 / 37

32. The views are used:

a) To hide complex SQL statements

b) All of the above

c) To hide columns

d) To hide rows

33 / 37

33. Views are also called:

a) Actual Tables

b) Simple tables

c) Virtual 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) Multiple values

b) Constant value

c) No value

d) Single value

36 / 37

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

a) Sorted

b) Same

c) Sorted

d) Any

37 / 37

37. Insert command is used to insert:

a) New table

b) New record

c) Dependencies

d) View

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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) attribute

c) relationship

d) entity

2 / 32

2. all the hardware costs are considered during

a) requirement analysis

b) data analysis

c) project planning

d) feasibility study

3 / 32

3. merging the relation is also known as

a) view integration

b) view entities

c) none

d) view relationship

4 / 32

4. the logical representation of an organization

a) database management system

b) none

c) entity relationship model

d) data base entity diagram

5 / 32

5. which of the following is related to modality

a) mandatory

b) unidirectional & mandatory

c) optional

d) unidirectional

6 / 32

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

a) modality & decision trees

b) none

c) modality

d) decision trees

7 / 32

7. the relationship can be

a) one to many

b) many to many

c) all

d) one to one

8 / 32

8. which of the following represented the entities

a) teacher

b) student

c) aeroplane

d) all

9 / 32

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

a) all

b) data flow diagram

c) decision trees

d) decision tables

10 / 32

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

a) data volume and usage analysis

b) normalize the relations

c) data volume and usage analysis

d) data distribution strategy

11 / 32

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

a) indexes

b) integrity constraints

c) file organization

d) data distribution strategy

12 / 32

12. an index may be created on

a) primary key

b) all

c) foreign key

d) secondary key

13 / 32

13. which of the following is basic data distribution strategy

a) all

b) centralized

c) partitioned

d) replicated

14 / 32

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

a) logical design

b) implementation

c) physical design

d) analysis

15 / 32

15. a disadvantage of partitioning is

a) all

b) inconsistent access speed

c) extra space and update time

d) complexity

16 / 32

16. an advantage of partitioning is

a) efficiency

b) reliability

c) accuracy

d) extra space

17 / 32

17. the relationship can be

a) one to one

b) many to many

c) one to many

d) all

18 / 32

18. which of the following are ingredients of data modeling

a) attributes

b) relationships

c) entities

d) all

19 / 32

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

a) fast retrieval

b) efficient storage

c) all

d) security

20 / 32

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

a) retrieval program

b) physical pointer

c) update program

d) file organization

21 / 32

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

a) entities

b) relationships

c) description

d) attributes

22 / 32

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

a) person

b) concept

c) action

d) object

23 / 32

23. In an E-R diagram a rectangle represented

a) relationships

b) entities

c) none

d) attributes

24 / 32

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

a) entity

b) none

c) attribute

d) relationship

25 / 32

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

a) modality

b) relationship

c) attribute

d) cardinality

26 / 32

26. customer cars and parts are example of

a) attributes

b) cardinality

c) entities

d) modality

27 / 32

27. A data model is

a) all

b) a logical representation of the structure

c) transformed into tables and relationship

d) shown as an entity relationship diagram

28 / 32

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

a) none

b) non critical fragment

c) only large

d) critical

29 / 32

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

a) rectangular shape

b) diamond shape

c) oval shape

d) none

30 / 32

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

a) object oriented model

b) implementation

c) hierarichal data model

d) network data model

31 / 32

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

a) One-to-one relationship

b) One-to-many relationship

c) Recursive relationship

d) Many-to-many relationship

32 / 32

32. Which of the following keys is not unique:

a) Primary Key

b) Candidate Key

c) Foreign Key

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

c) The terminate condition occurs unexpectedly

d) The program executes at least once

2 / 53

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

a) When the loop terminates unexpectedly

b) When the program executes at least once

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

d) When the number of iterations are known in advance

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 program executes at least once

c) When the number of iterations are known in advance

d) When the loop terminates unexpectedly

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) If-else statement

b) Else-if statement

c) Break statement

d) While loop

6 / 53

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

a) If-else statement

b) Else-if statement

c) While loop

d) If statement

7 / 53

7. How is multiple-statement for loop terminated?

a) With a right bracket

b) With semicolon

c) With a colon

d) With a right brace

8 / 53

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

a) With a semicolon

b) With a colon

c) With a right bracket

d) With a right brace

9 / 53

9. In which sequence the while loop is executed:

a) Testing, initialization, execution of body

b) Execution of body, initialization, testing

c) Initialization, testing, execution of body

d) Initialization, execution of body, 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) 15

b) 5

c) 25

d) 150

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) 10

b) 50

c) 5

d) 1.5

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 loop should be executed at least once

d) The number of iterations is not known in advance

13 / 53

13. The switch statement is very similar to the:

a) If-else-if statement

b) If else statement

c) Conditional operator

d) If statement

14 / 53

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

a) For

b) Do-while

c) If-else

d) While

15 / 53

15. Which of the following is a loop statement?

a) If

b) If-else

c) Switch

d) For

16 / 53

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

a) For loop

b) Do-while loop

c) All

d) While loop

17 / 53

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

a) While

b) Do-while

c) For

d) Infinite

18 / 53

18. This means to increase a value by one:

a) Up

b) Decrement

c) Increment

d) Modulus

19 / 53

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

a) Increment/decrement

b) Assignment

c) Validation

d) Recalling

20 / 53

20. The number of expressions in for loop are:

a) 4

b) 1

c) 3

d) 2

21 / 53

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

a) Switch

b) Default

c) Continue

d) Skip

22 / 53

22. A loop within a loop is called:

a) Complex loop

b) Infinite loop

c) Dual loop

d) Nested loop

23 / 53

23. This statement causes a loop to terminate early?

a) Break

b) Stop

c) Exit

d) Terminate

24 / 53

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

a) Header

b) Title

c) Center

d) Body

25 / 53

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

a) While

b) Do-while

c) For

d) While/do-while

26 / 53

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

a) For

b) While

c) Do-while

d) None

27 / 53

27. Which loop structure always executes at least once?

a) For

b) Do-while

c) Counter

d) While

28 / 53

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

a) While

b) For

c) For while

d) Do-while

29 / 53

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

a) While

b) All

c) Do-while

d) For

30 / 53

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

a) 6

b) 3

c) 4

d) 2

31 / 53

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

a) Iteration

b) Test

c) Cycle

d) Duration

32 / 53

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

a) If else

b) Switch

c) Loop structure

d) Decision statement

33 / 53

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

a) Switch statement

b) Nested if-else

c) Break

d) If statement

34 / 53

34. 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:

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) 0

b) 1

c) 2

d) One for each case

37 / 53

37. Switch statement is alternative of:

a) Nested if-else

b) Nested if

c) If-else

d) If

38 / 53

38. The case block ends with:

a) Case else

b) Break

c) End select

d) End case

39 / 53

39. It is not part of switch statement:

a) Case

b) Else

c) Default

d) Break

40 / 53

40. The case is used with:

a) Do while loop

b) Switch statement

c) If statement

d) For loop

41 / 53

41. The conditional operator is alternative of:

a) Nested if

b) All

c) If

d) If else

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) 3

b) 5

c) 2

d) 1

44 / 53

44. It is also known as conditional operator

a) Assignment operator

b) Ternary operator

c) Unary operator

d) Binary 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) Case statement

c) Else statement

d) Break statement

46 / 53

46. In if statement, true is represented by:

a) 2

b) 1

c) 0

d) 3

47 / 53

47. In if statement, false is represented by:

a) 3

b) 1

c) 2

d) 0

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) If-else

b) If

c) Nested if

d) Switch

50 / 53

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

a) If

b) If-else

c) Switch

d) While

51 / 53

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

a) Sequential

b) Repetition

c) None

d) Selection

52 / 53

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

a) Four

b) One

c) Three

d) Two

53 / 53

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

a) Program control

b) Data structure

c) Control structure

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) Common standards

b) Query

c) Easier programming

d) Wizard

2 / 24

2. Which of the following is the correct association?

a) Record = row

b) File = column

c) Record = table

d) Field_ = row

3 / 24

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

a) Record

b) Byte

c) Character

d) Field

4 / 24

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

a) Byte

b) Character

c) Field

d) Record

5 / 24

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

a) Query

b) Record

c) Field

d) Table

6 / 24

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

a) Forms

b) Field

c) Cell

d) Table

7 / 24

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

a) Form

b) Field

c) Table

d) Cell

8 / 24

8. A report may be based on a:

a) Table

b) None

c) Query

d) Both a and b

9 / 24

9. An example of a query is

a) Importing of a spreadsheet file into the database.

b) Both a and c are correct

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

d) Search for a specific record.

10 / 24

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

a) Any

b) 2

c) 1

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) Folders and Tools

b) All of these

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) Macro

b) Form

c) Table

d) Query

14 / 24

14. which of the following is NOT a database object

a) Report

b) MS Word

c) Query

d) Table

15 / 24

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

a) Program Name

b) Object Type

c) Database name

d) All of these

16 / 24

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

a) All of these

b) Program Name

c) Database name

d) Object Type

17 / 24

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

a) Existing Database

b) Blank database

c) New Folder

d) Access templates

18 / 24

18. An MS access table consists

a) Characters

b) All

c) Field

d) Records

19 / 24

19. A report is a complete set of

a) distinct

b) related

c) designed

d) all

20 / 24

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

a) report

b) form

c) table

d) query

21 / 24

21. Microsoft Access saves the database with the extension

a) .msdb

b) .mxls

c) .mdb

d) .madb

22 / 24

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

a) query

b) Table

c) report

d) form

23 / 24

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

a) Queries

b) Tables

c) Reports

d) Forms

24 / 24

24. A database consist of various component called

a) tools

b) Objects

c) entities

d) properties

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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 integrity

b) Data independence

c) Data security

d) all

2 / 74

2. The wildcard Sal[ei]ma.

a) Saleema

b) Salima

c) None

d) Both a and b

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) Not Equal

b) Equals

c) Like

d) Between-And

5 / 74

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

a) Sort

b) Criteria

c) Field

d) Show

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) all

d) "Saleem"

7 / 74

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

a) rab*

b) Neither rab? and rab*

c) Both rab? and rab*

d) Ander?

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) all

d) Hiell

9 / 74

9. the result of a query are displayed in a

a) Design grid

b) Form

c) Dynaset

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) Query grid

b) Query form

c) Design grid

d) Design form

13 / 74

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

a) Structure of the query

b) The table underlying the query

c) None

d) Only the fields in tile query

14 / 74

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

a) Expression builder

b) Field list box

c) Design grid

d) Query type list

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) Group by

b) Average

c) If

d) Sum

17 / 74

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

a) Delete

b) Make-Table

c) Move

d) Append

18 / 74

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

a) Select

b) Parameter

c) Crosstable

d) Union

19 / 74

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

a) To use it as a basis for a form

b) all

c) To create many special purpose queries

d) To save space

20 / 74

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

a) Find Unmatched

b) Crosstable

c) Find Duplicates

d) Select

21 / 74

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

a) Append query

b) Delete query

c) Convert query

d) Make Table query

22 / 74

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

a) Append query

b) Make tabs query

c) Convert query

d) Delete query

23 / 74

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

a) Select query

b) Update

c) Append query

d) Delete

24 / 74

24. Which of the following describes a select query?

a) Limits the fields shown

b) Selects records based on specific criteria

c) Limits the records shown

d) all

25 / 74

25. What is the most common type of relationship?

a) Many-to-Many

b) One-to-One

c) One-to-Many

d) Many-to-One

26 / 74

26. Why would you create relationships and use them?

a) To minimize the size of the database

b) all

c) To avoid data redundancy in a database

d) To reduce the risk of errors

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) Ability to create a query using two tables

b) Using sub datasheet in a table

c) Prevents orphan records between tables

d) All

29 / 74

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

a) Bold field

b) Underlined field

c) Key beside the field

d) Primary key typed beside the 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) Record selector moves to next record

c) ecord is saved

d) All of these

31 / 74

31. The Sort Ascending button will:

a) Order all records alphabetically

b) Order all records reverse alphabetically

c) Filter out selected records

d) Delete selected records

32 / 74

32. What is Z to A order called?

a) Ascending

b) Descending

c) Alphabetical

d) Condescending

33 / 74

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

a) 4 OR 5

b) 1985

c) none

d) Abdullah

34 / 74

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

a) None

b) Parameter query

c) Filter by Form+

d) Filter by Selection

35 / 74

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

a) Apply Filter

b) Clear Grid

c) Remove Filter

d) Find Next

36 / 74

36. Why is it important to hide a column?

a) Need to print table without that data included

b) Data is no longer needed

c) None

d) To delete the field

37 / 74

37. Find and Replace command is found in:

a) File menu

b) View menu

c) Edit men

d) Tool

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) Indexing

b) Input masks

c) Validation rules

d) Required fields

40 / 74

40. Which field type can be indexed?

a) Number

b) Memo

c) OLE

d) Hyperlink

41 / 74

41. Why are validation rules used in a database?

a) Both a and b

b) To avoid typing errors

c) Neither a nor b

d) Ensure correct data is entered

42 / 74

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

a) A date

b) Social security number

c) Street address

d) Telephone number

43 / 74

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

a) all

b) Social security number

c) Telephone number

d) A date

44 / 74

44. Field properties are shown in:

a) Datasheet view

b) Design view & Datasheet view

c) Design view

d) none

45 / 74

45. Field properties determine:

a) Default value

b) Input mask

c) all

d) Field size

46 / 74

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

a) Property

b) Color

c) Orientation

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) Queries

b) Forms

c) Tables

d) all

49 / 74

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

a) Lookup Wizard

b) Hyperlink

c) OLE Object

d) Auto Number

50 / 74

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

a) Currency

b) Auto Number

c) Memo

d) Number

51 / 74

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

a) Memo

b) OLE object

c) Auto Number

d) Hyperlink

52 / 74

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

a) Date/Time

b) all

c) Number and Currency

d) Text AND Memo

53 / 74

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

a) Number

b) Date/Time

c) Text

d) Memo

54 / 74

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

a) Currency

b) Memo

c) Number

d) Text

55 / 74

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

a) Log

b) Boolean

c) Yes/No

d) True/False

56 / 74

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

a) 20

b) 40

c) 30

d) 50

57 / 74

57. which data type is the default type

a) Number

b) Text

c) Memo

d) Auto Number

58 / 74

58. A field`s width indicates

a) Number of characters it can contain

b) number of characters visible on the screen

c) number of inches it takes on the screen

d) number of pixels it takes on screen

59 / 74

59. Every field in a table has:

a) Field name and a data type

b) field name

c) Field name and a field number

d) field name, field number and data type

60 / 74

60. What symbol indicates that you are editing a record

a) Asterisk

b) Black Arrow

c) Pencil

d) Key

61 / 74

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

a) Creating table by using wizar

b) Creating table in Design view

c) all

d) Creating table by entering data

62 / 74

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

a) File

b) Tools

c) Edit

d) View

63 / 74

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

a) Design view

b) Datasheet view

c) Edit view

d) Record view

64 / 74

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

a) Relationship

b) Design

c) Datasheet

d) QBE

65 / 74

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

a) The field names

b) The contents of each field

c) The properties of the selected field

d) The data type’ of each field

66 / 74

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

a) Relationship

b) Datasheet

c) Design

d) QBE

67 / 74

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

a) Esc

b) Enter

c) Spacebar

d) Tab

68 / 74

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

a) Next

b) Search

c) Find Next

d) Find

69 / 74

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

a) H####

b) H???

c) H?4

d) H*4

70 / 74

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

a) 4

b) 1

c) 2

d) 3

71 / 74

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

a) Normalization

b) all

c) Entity relationship

d) Referential integrity

72 / 74

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

a) record

b) entity

c) Attribute

d) table

73 / 74

73. How many types of relationship can be used?

a) 2

b) 5

c) 4

d) 3

74 / 74

74. The data in tables is entered in:

a) Datasheet view

b) Grid view

c) Layout view

d) Normal 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) Single inheritance

b) Multiple inheritance

c) Multilevel inheritance

d) None

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) Child class, parent class

d) Parent class , sub class

3 / 27

3. The base class is also called

a) Super class

b) Parent and child class

c) Parent class

d) Child class

4 / 27

4. The derived class is also called

a) Sub class

b) Child class

c) Child and sub class

d) Parent class

5 / 27

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

a) Parent class

b) Child class

c) Super class

d) Abstract class

6 / 27

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

a) Data abstraction

b) Inheritance

c) Encapsulation

d) Polymorphism

7 / 27

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

a) Information hiding

b) Encapsulation

c) Polymorphism

d) Inheritance

8 / 27

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

a) Polymorphism

b) Abstraction

c) Encapsulation

d) Inheritance

9 / 27

9. A class can have how many destructor

a) 2

b) 1

c) 4

d) 3

10 / 27

10. The constructor with out parameters is called

a) Operator constructor

b) Default constructor

c) Method constructor

d) function constructor

11 / 27

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

a) Friend function

b) Constructor

c) Destructor

d) Overridden function

12 / 27

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

a) Overridden function

b) Friend functions

c) Constructor

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

c) All

d) It has no return type

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) Protected

b) Final

c) Private

d) Public

17 / 27

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

a) Protected

b) All

c) Private

d) Public

18 / 27

18. Members of object are accessed with

a) Extraction operator

b) Resolation operator

c) Dot operator

d) Address operator

19 / 27

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

a) Default

b) Private

c) Public

d) Protected

20 / 27

20. Which of the following are types of access specifier

a) Private and public

b) Sub and class

c) Null and void

d) Virtual and function

21 / 27

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

a) Private

b) Public

c) All

d) Protected

22 / 27

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

a) Tag

b) Private

c) Public

d) Class

23 / 27

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

a) Methods

b) Attributes

c) object

d) Member function

24 / 27

24. Data members are also called

a) Class

b) Methods

c) Attributes

d) Object

25 / 27

25. The attributes of a class are called

a) Methods

b) Object

c) Data members

d) Member function

26 / 27

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

a) Constants

b) Tag

c) Instance

d) Data collection

27 / 27

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

a) Object-oriented programming

b) Procedural programming

c) Query language

d) Non-procedural 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 user

b) None

c) Instruction for linker

d) Instruction for compiler

2 / 78

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

a) header & linker

b) compiler & header

c) compiler & linker

d) None

3 / 78

3. computer programs are also known as:

a) Procedure

b) None

c) Hardware

d) Software

4 / 78

4. The statements written by the programmer are called:

a) Source code

b) None

c) Object code

d) Syntax

5 / 78

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

a) None

b) Keyword

c) Comment

d) Preprocessor directive

6 / 78

6. Types of translators are:

a) None

b) Assemblers

c) Compilers

d) All

7 / 78

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

a) Processing

b) debugging

c) None

d) Executing

8 / 78

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

a) Assembler

b) compiler

c) None

d) interpreter

9 / 78

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

a) Compiler

b) Interpreter

c) None

d) Assembler

10 / 78

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

a) Translator

b) Assembler

c) Debugger

d) Converter

11 / 78

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

a) PASCAL

b) COBOL

c) BASIC

d) None

12 / 78

12. An assembly language uses:

a) English Words

b) Mnemonic Codes

c) None

d) Binary Digit

13 / 78

13. The lowest level of programming language is:

a) Pascal

b) Java

c) None

d) Assembly Language

14 / 78

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

a) None

b) BASIC

c) Assembly language

d) FORTRAN

15 / 78

15. Writing programs in machine language is:

a) Less time-consuming

b) Both a and c

c) Less tedious

d) None

16 / 78

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

a) DOS

b) Pascal

c) Machine language

d) None

17 / 78

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

a) Machine language

b) Assembly language

c) High level language

d) None

18 / 78

18. Machine language:

a) All of these

b) is the only language understood by the computer.

c) None

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

19 / 78

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

a) None

b) Run-time error

c) Logic error

d) Run-time error

20 / 78

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

a) Logic error

b) None

c) Run-time error

d) Syntax error

21 / 78

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

a) Library module

b) Source module

c) Object module

d) None

22 / 78

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

a) Logical error

b) None

c) Both a and b

d) Syntax error

23 / 78

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

a) Loader

b) Linker

c) Compiler

d) Debugger

24 / 78

24. Which of the following reason causes the syntax error

a) All

b) Missing statement terminator

c) using a variable without declaration

d) Missing any of the delimiters

25 / 78

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

a) None

b) Syntax error

c) Runtime error

d) Program error

26 / 78

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

a) Syntax

b) Debug

c) Bug

d) Preprocessor

27 / 78

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

a) Hello

b) hello

c) HELLO

d) None

28 / 78

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

a) Program error

b) Logic error

c) None

d) Syntax error

29 / 78

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

a) Run-time error

b) Syntax error

c) Operator error

d) Logic error

30 / 78

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

a) Short circuit

b) Down

c) Bug

d) Crash

31 / 78

31. C statements end with a:

a) semicolon

b) None

c) semicolon

d) Period

32 / 78

32. main is a

a) Comment

b) Compiler directive

c) Expression

d) Function

33 / 78

33. C programs are divided into units called:

a) Syntax

b) Section

c) Functions

d) debug

34 / 78

34. void occupy how many bytes in memory?

a) 2

b) 3

c) 1

d) 0

35 / 78

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

a) Machine language

b) C

c) C++

d) Assembly language

36 / 78

36. Debug is the process of:

a) Creating bugs in program

b) Removing Errors

c) Identifying and removing errors

d) Identifying Errors

37 / 78

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

a) None

b) Comma

c) Closing brace

d) Colon

38 / 78

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

a) Keyword

b) Line

c) None

d) Statement

39 / 78

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

a) math.h

b) stdio.h

c) conio.h

d) None

40 / 78

40. which of the following header

a) conio.h

b) math.h

c) None

d) stdio.h

41 / 78

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

a) math.h

b) None

c) Both a and b

d) stdio.h

42 / 78

42. The extension of the header file is:

a) .h

b) .CPP

c) .txt

d) .c

43 / 78

43. The name of header file is written between:

a) {}

b) <>

c) ( )

44 / 78

44. conio stands for:

a) Character input output

b) Common input output

c) Complex input output

d) Console input output

45 / 78

45. stdio stands for:

a) Standard input output

b) Symbolic input output

c) Simple input output

d) String input-output

46 / 78

46. stdio.h is part of:

a) Comment section

b) Compiler

c) main function

d) C standard library

47 / 78

47. The expression may be:

a) arithmetic expression

b) string

c) All

d) Constant

48 / 78

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

a) None of these

b) # include "name of the header file"

c) Both a or b

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) Using namespace std;

c) main ( )

d) All

51 / 78

51. Header files in C contain:

a) Library functions

b) Compiler commands

c) Operators for files

d) Header information of C programs

52 / 78

52. The expression in define directive:

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

b) Cannot be changed

c) Cannot be assigned a value

d) Can not be changed but can be redefined

53 / 78

53. Processor directives are command for

a) Microprocessor

b) Language Processor

c) Loader

d) C preprocessor

54 / 78

54. The basic structure of C program consists of:

a) Program body

b) main() function

c) Preprocessor Directive

d) All

55 / 78

55. Compiled programs typically, execute faster because:

a) None of the above

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

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

d) Compiled programs do not require any data

56 / 78

56. The “.exe” file is produced by:.

a) linker

b) Compiler

c) Loader

d) interpreter

57 / 78

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

a) Debugging

b) Saving

c) Compiling

d) executing

58 / 78

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

a) Executing

b) Compiler

c) Linking

d) Saving

59 / 78

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

a) ALT+F5

b) ALT+F9

c) CTRL+S

d) CTRL+F9

60 / 78

60. The output of the compiler is called:

a) Library code

b) Linked code

c) Source code

d) Object code

61 / 78

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

a) CTRL+S

b) ALT+F9

c) ALT+F5

d) CTRL+F9

62 / 78

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

a) Object file

b) None

c) exe file

d) Source file

63 / 78

63. The extension of object file is:

a) .h

b) .exe

c) .c

d) .obj

64 / 78

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

a) Compiling

b) Executing

c) Saving

d) Linking

65 / 78

65. The extension of C source program is:

a) .exe

b) .obj

c) .h

d) .c

66 / 78

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

a) F5

b) F9

c) F3

d) F2

67 / 78

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

a) Text editor

b) Compiler

c) Debugger

d) Linker

68 / 78

68. An IDE stands for:

a) Integrated Development Environment

b) Internal disk error

c) Input data error

d) Input Desktop environment

69 / 78

69. An IDE typically consists of:

a) All

b) Debugger

c) Compiler

d) Text editor

70 / 78

70. Turbo C++ can compile

a) Turbo C++ Programs only

b) Turbo C Programs only

c) C programs only

d) C and C++ programs

71 / 78

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

a) C++

b) Pascal

c) Java

d) B

72 / 78

72. C is a:

a) Assembly language

b) Low-level language

c) Machine Language

d) High level language

73 / 78

73. C was designed to write program for:

a) Solaris operating system

b) OS/2 operating system

c) Windows operating system

d) Unix 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) 1972-1988

b) 1965-1975

c) 1992-1996

d) 1969-70

76 / 78

76. C was developed in the year:1972

a) 1973

b) 1972

c) 1970

d) 1971

77 / 78

77. Computer programs are also known ac

a) None

b) Firmware

c) Hardware

d) Software

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) 6

b) 4

c) 8

d) 2

2 / 89

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

a) Plus and minus

b) ++ and – –

c) None

d) Relational

3 / 89

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

a) 2dGraph

b) _cust_num

c) dayOfWeek

d) jan2009

4 / 89

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

a) real

b) float

c) none

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) None

b) Numbers and characters

c) Single and double

d) Integer and floating point

7 / 89

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

a) char ch=’ab’

b) char ch = "a";

c) char ch = 97

d) char ch = ‘a’;

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) long double

c) long int

d) float

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) None

b) Assignment operator

c) equal to operator

d) Address operator

13 / 89

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

a) Identifier

b) Operation code

c) Operators

d) Syntax

14 / 89

14. which of the following is valid assignment statement

a) a=100

b) all

c) x=c-d+10

d) c=a+b

15 / 89

15. Associativity is either right to left or

a) left to right

b) Top to bottom

c) Low to High

d) Back to front

16 / 89

16. the right side of an assignment statement can be

a) A variable

b) An expression

c) all

d) A constant

17 / 89

17. the left side of an assignment statement holds

a) expression

b) constant

c) variable

d) None

18 / 89

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

a) Underflow

b) Overflow

c) Topflow

d) Excess

19 / 89

19. which of the following is a correct assignment statement

a) constant=value

b) None

c) variable=constant

d) constant=varaible

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) None

b) someChar = "A"

c) someChar =’A’;

d) someChar = A;

22 / 89

22. const, double and int and examples of:

a) Comments

b) Reserved Words

c) None

d) Directives

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) 11

b) 16

c) 12

d) 14

25 / 89

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

a) | |

b) None

c) !

d) &&

26 / 89

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

a) 1.11

b) 0

c) 0.27

d) 11

27 / 89

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

a) 2

b) 3.6

c) 0.9

d) 0

28 / 89

28. Which of the following has the highest precedence

a) | |

b) &&

c) None

d) ++

29 / 89

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

a) 0

b) None

c) 4

d) Both a and b

30 / 89

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

a) None

b) 5

c) 3

d) 0

31 / 89

31. Precedence determines which operator:

a) is used first

b) operates on largest number

c) is faster

d) is most important

32 / 89

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

a) 2

b) 3

c) 4

d) 1

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) Multiplication

b) Division

c) Integer remainder

d) Exponentiation

36 / 89

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

a) &

b) /a

c) %

d) #

37 / 89

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

a) visibility

b) complexity

c) readability

d) none

38 / 89

38. Which of the following is NOT arithmetic operator?

a) >

b) –

c) %

d) +

39 / 89

39. An assignment statement will:

a) Display the results of a calculation

b) Store the results of a calculation

c) Both a and b.

d) Perform 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) M/n

b) Sales – Profit

c) Mile, Gallons

d) Pi* Radius

42 / 89

42. Comments are written at

a) Top

b) Anywhere

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) Operators

b) None

c) Operators and Operand

d) Operand

46 / 89

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

a) 16

b) 2

c) 8

d) 4

47 / 89

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

a) 65536 to +65536

b) 0 to 256

c) None

d) -32768 to +32767

48 / 89

48. A character constant must be enclosed in:

a) Exclamation sign (!)

b) Single Quotes (`)

c) Pound Sign (#)

d) Quotation marks ("’)

49 / 89

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

a) ‘9’

b) ‘A’

c) `$`

d) All

50 / 89

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

a) Characters

b) Digits

c) Special characters

d) All

51 / 89

51. Which of the following constant definitions is correct

a) constant LENGTH=6.5;

b) const float COST = $700.0;

c) constant MY_HEIGHT 60 / 12;

d) const float PRICE= 3,500;

52 / 89

52. Which of the following statements is correct?

a) int continue = 5.0;

b) float numl; num2;

c) int day, night;

d) string black = ‘white’;

53 / 89

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

a) None

b) long population=15000;

c) int=100;

d) constant int N=100;

54 / 89

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

a) int n=100;

b) int x=50, r=75;

c) char grade=`a`;

d) All

55 / 89

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

a) assiging

b) none

c) naming

d) initializing

56 / 89

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

a) none

b) float

c) char

d) int

57 / 89

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

a) int a,b,c;

b) int marks;

c) All

d) double salary;

58 / 89

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

a) semicolon

b) commas

c) colons

d) pipes

59 / 89

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

a) data type

b) variable name

c) variable name and data type

d) keyword

60 / 89

60. which of the following statement is NOT legal

a) char ch=65;

b) char ch=`0`;

c) char ch=“cc“:

d) char ch=`b`;

61 / 89

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

a) 150000.0

b) 0.21

c) 6.15

d) 0.758

62 / 89

62. Another way to write the value 3452211903 is

a) 3.452211903e09

b) 3.452211903e-09

c) 3452211903e09

d) 3.452211903×09

63 / 89

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

a) char

b) none

c) int

d) float

64 / 89

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

a) 2

b) none

c) 12

d) 1

65 / 89

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

a) float

b) none

c) string

d) char

66 / 89

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

a) Range

b) Scpe

c) Precision

d) Significance

67 / 89

67. The exponential notation consists of:

a) None

b) Exponent and Mantiissa

c) Range

d) Mantissa

68 / 89

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

a) Overflow

b) System error

c) Syntax error

d) Logic error

69 / 89

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

a) 8

b) None

c) 12

d) 16

70 / 89

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

a) None

b) 12

c) 2

d) 4

71 / 89

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

a) real data

b) integer data

c) character data

d) integral data

72 / 89

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

a) None

b) char

c) float

d) long

73 / 89

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

a) Non-numeric data types

b) None

c) Integer datatype

d) Non-Integral datatype

74 / 89

74. An integer variable can store the value:

a) 32898

b) 5.5

c) -1.1

d) "123"

75 / 89

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

a) None

b) 8

c) 12

d) 2

76 / 89

76. Which is a numeric data type?

a) int

b) none

c) int and float

d) float

77 / 89

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

a) Float

b) None

c) Char

d) Int

78 / 89

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

a) VariableType

b) None

c) VariableName

d) Datatype

79 / 89

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

a) MyInt

b) none

c) MyInteger

d) Return

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) Number

b) none

c) return

d) Uppercase-letter

82 / 89

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

a) None

b) Letter

c) Period

d) Underscore

83 / 89

83. a+=b is equivalent to

a) a=+b

b) b=b+a

c) a=a+b

84 / 89

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

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

b) The variable declaration also defines the variable

c) Every program must be compiled before execution

d) None

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) "Hello"

c) ‘6’

d) a.

87 / 89

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

a) Variable

b) None

c) Keyboard

d) Constant

88 / 89

88. Variables are created in:

a) RAM

b) Hard disk

c) None

d) ROM

89 / 89

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

a) Named constant

b) None

c) Name constant

d) Variable

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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) \ r

b) \ t

c) \ y

d) \ f

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) \ c

c) \ del

d) \ f

4 / 29

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

a) {

b) //

c) None

d) \

5 / 29

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

a) gets()

b) All

c) getch()

d) scanf

6 / 29

6. The escape sequence for backslash is?

a) \ b

b) None

c) \

d) \ \

7 / 29

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

a) \r

b) \b

c) \m

d) \a

8 / 29

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

a) / t

b) None

c) \ b

d) / a

9 / 29

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

a) \ h

b) \ a

c) / t

d) \ b

10 / 29

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

a) None

b) \a

c) \n

d) \b

11 / 29

11. An ampersand before the name of a variable denotes

a) Variable Name

b) Data Type

c) Address

d) Actual Value

12 / 29

12. 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) Center-justified in ten character space

d) None

13 / 29

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

a) Left-justified in ten-character space

b) Center-justified in ten character space

c) Right justified in ten-character space

d) None

14 / 29

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

a) *

b) L

c) –

d) /

15 / 29

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

a) None

b) m%.nf

c) % m.nf

d) rrf n%

16 / 29

16. he format specifier for output are:

a) %c for char

b) All

c) %d for int and %f for float

d) %s for string

17 / 29

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

a) Format specifier

b) Ordinary characters

c) None

d) Variable

18 / 29

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

a) +

b) –

c) space

d) All

19 / 29

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

a) %s

b) %d

c) %f

d) %c

20 / 29

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

a) %c

b) %f

c) %d

d) %s

21 / 29

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

a) %s

b) %c

c) %d

d) %f

22 / 29

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

a) %s

b) %c

c) %d

d) %f

23 / 29

23. Format specifier is started with symbol:

a) None

b) %

c) %

d) ?

24 / 29

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

a) All of these

b) Data type

c) Format of the value

d) Field width

25 / 29

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

a) Two

b) Ten

c) One

d) Many

26 / 29

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

a) unsigned long int

b) unsigned short

c) unsigned float

d) None

27 / 29

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

a) None

b) scanf

c) printf

d) pow

28 / 29

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

a) math.h

b) stdio.h

c) conio.h

d) math.h

29 / 29

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

a) printf

b) get()

c) scanf

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) default

b) end

c) stop

d) last

2 / 35

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

a) int

b) float

c) a or b

d) char

3 / 35

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

a) char

b) a or b

c) float

d) int 3

4 / 35

4. The expression may be:

a) a or b

b) Compound

c) Logical

d) Relational

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) 10

c) 50

d) 3

6 / 35

6. Conditional operator is an-alternative of

a) None

b) if-else

c) if

d) nested if

7 / 35

7. switch statement is an alternative of:

a) None

b) nested if

c) if-else

d) nested if-else

8 / 35

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

a) nested if

b) if-else

c) if

d) None

9 / 35

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

a) ++

b) if

c) ?

d) ( )

10 / 35

10. Conditional operator takes…………operands.

a) 1

b) 3

c) 2

d) 0

11 / 35

11. Another term for a conditional operator is:

a) Byte

b) Binary

c) Ternary

d) None

12 / 35

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

a) None

b) p > q

c) p < q

d) !(p < q)

13 / 35

13. The Case block ends with:

a) None

b) End Select

c) End Case

d) break

14 / 35

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

a) None

b) 1

c) 0

d) Once for each Case

15 / 35

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

a) case 1:

b) case 1.5:

c) case ‘ab’:

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) if

b) case

c) switch

d) default

18 / 35

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

a) if

b) while

c) All

d) switch

19 / 35

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

a) Logical Operator

b) Relational Results

c) Logical Results

d) Relational Operator

20 / 35

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

a) A conditional operator

b) A relational operator

c) A branched if statement

d) A nested if statement

21 / 35

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

a) Instruction

b) Control structure

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) 1

b) 3

c) 2

d) 0

24 / 35

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

a) default

b) else

c) switch

d) if

25 / 35

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

a) Try…Catch…Finally

b) Select…Case

c) If statement

d) Nested if

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) Relational operators

c) Syntax operators

d) Logical operators

28 / 35

28. You can use a decision statement to:

a) Test if a condition is true or false

b) All of the these

c) Test a series of conditions

d) Run a statement if a test fails

29 / 35

29. Relational operators allow you to numbers.

a) Add

b) Multiply

c) Compare

d) Divide

30 / 35

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

a) Operational

b) Sequential

c) Relational

d) Serial

31 / 35

31. Which programming structure makes a comparison?

a) Sequence

b) Decision

c) Relation

d) Repetition

32 / 35

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

a) Repetition

b) Iteration

c) Sequential

d) Selection

33 / 35

33. Which programming structure executes program statements in order?

a) Decision

b) Relation

c) Repetition

d) Sequence

34 / 35

34. The three programming structures are:

a) Sequence, definition, and process

b) Relation, comparison, and process

c) Sequence, decision, and repetition

d) Process, decision, and alternation

35 / 35

35. The three programming structures are:

a) Sequence, definition, and process

b) Sequence, decision, and repetition

c) Relation, comparison, 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) condition

b) colon :

c) semi-colon;

d) {}

2 / 35

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

a) (and)

b) -> and <-

c) {}

d) begin and end

3 / 35

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

a) Inside the loop body

b) None

c) Outside the body of loop

d) Outside the program

4 / 35

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

a) equal=

b) Semi colon ;

c) Comma ,

d) colon :

5 / 35

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

a) five

b) six

c) four

d) three

6 / 35

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

a) Comma ,

b) Semi colon ;

c) equal=

d) colon :

7 / 35

7. The keyword ‘break’ cannot be used within

a) while

b) do-while

c) for

d) if-else

8 / 35

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

a) None

b) When x is less than one hundred

c) When x is greater than one hundred

d) When x is equal to one hundred

9 / 35

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

a) Semi colon ;

b) Comma ,

c) Right brace

d) Right bracket I

10 / 35

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

a) Semi.colon ;

b) Comma ,

c) Right brace}

d) Right bracket I

11 / 35

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

a) The program will be executed at least once

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

c) The terminating condition.occurs unexpectedly

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 only once

b) The termination condition is known in advance

c) The loop should be executed at least once

d) The number of iterations is not known in advance

13 / 35

13. Which of the following is a loop statement?

a) if-else

b) if

c) None

d) switch

14 / 35

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

a) while loop

b) do-while loop

c) All

d) for loop

15 / 35

15. while loop is also called:

a) Conditional loop

b) Continuous loop

c) Counter loop

d) wend loop

16 / 35

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

a) do-while

b) While

c) infinite

d) for

17 / 35

17. This means to increase a value by one:

a) Decrement

b) Increment

c) Inc

d) Modulus

18 / 35

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

a) terminate

b) next

c) break

d) continue

19 / 35

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

a) Assignment

b) Validation

c) Increment/ decrement

d) Recalling

20 / 35

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

a) loop control value

b) sentinel value

c) input value

d) Terminal value

21 / 35

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

a) goto

b) switch

c) break

d) continue

22 / 35

22. The loop which never ends is called:

a) Infinite loop

b) Running loop

c) Continuous loop

d) Nested loop

23 / 35

23. A loop within-a loop is called:

a) Nested loop

b) Infinite loop

c) Dual loop

d) Complex 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) for

b) do-while

c) while

d) nested

26 / 35

26. Which of the following loop is called counter loop

a) while

b) for

c) do-while

d) None

27 / 35

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

a) while loop

b) b and c

c) do-while loop

d) None

28 / 35

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

a) for loop

b) while loop

c) for loop

d) do-while loop

29 / 35

29. Which loop structure lire always executes at least Once

a) while

b) all

c) do-while

d) for

30 / 35

30. Where should be the loop control variable initialized?

a) Anywhere in the loop body

b) None

c) In the last statement of the loop body

d) Before the loop starts

31 / 35

31. A counter can be defined as:

a) the final value of loop

b) a variable that counts loop iterations

c) None

d) the step value of a loop

32 / 35

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

a) All

b) while

c) for

d) do-while

33 / 35

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

a) 1

b) 3

c) 2

d) 6

34 / 35

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

a) Cycle

b) Test

c) Duration

d) Iteration

35 / 35

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

a) Loop

b) Logical

c) decision statement

d) sequencial

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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) Type

c) none

d) Header

2 / 34

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

a) It can return one value only

b) It cannot return any value

c) It cannot be used in a function

d) It can return integer value only

3 / 34

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

a) built-in function

b) User-defined

c) Subroutines

d) Subprograms

4 / 34

4. Local variables are also called:

a) Automatic variables

b) none

c) Basic variables

d) Normal variable

5 / 34

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

a) Parser

b) Compiler

c) Loader

d) Linker

6 / 34

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

a) none

b) Stops the execution of the program

c) Transfer control to the main function

d) Transfer control to the called function

7 / 34

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

a) Static variable

b) Global variable

c) Local variable

d) External variable

8 / 34

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

a) Automatic variable

b) Local variable

c) none

d) Local variable & Automatic variable

9 / 34

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

a) Automatic variable

b) Local variable

c) Global variable

d) none

10 / 34

10. The scope of a variable refers to its:

a) none

b) Name

c) Data type

d) Accessibility

11 / 34

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

a) continue

b) none

c) return

d) give

12 / 34

12. Multiple arguments to a function are separated by:

a) Commas

b) none

c) Comments

d) Colons

13 / 34

13. The parameters in function declaration are called:

a) Returned parameters

b) none

c) Formal parameters

d) Actual parameters

14 / 34

14. Which of the following is incorrect?

a) none

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

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

d) A function must have at least one value parameter

15 / 34

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

a) Expression

b) Parameter

c) Function

d) none

16 / 34

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

a) The control returns back to the calling function

b) All statements in the function body are executed

c) Both a and b

d) none

17 / 34

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

a) Function output

b) Function call

c) Function definition

d) none

18 / 34

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

a) Function body

b) Arguments

c) none

d) Function header

19 / 34

19. The function definition consists of:

a) Function body

b) Function body & Function declaration

c) Function header or function declaration

d) none

20 / 34

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

a) Passing

b) Delivering

c) Sending

d) Filtering

21 / 34

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

a) Indicator

b) Argument

c) Returned Value

d) none

22 / 34

22. Function definition can be written:

a) Before main() function

b) none

c) After main() function

d) All of these

23 / 34

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

a) Same parameters

b) none

c) Same name but different parameters

d) Same name and same parameters

24 / 34

24. Function declaration consists of:

a) none

b) Function return type

c) Number and types of parameters

d) All of these

25 / 34

25. A built-in function:

a) none

b) Cannot be redefine

c) Cannot return a value

d) can be redefined

26 / 34

26. The printf is a:

a) none

b) Built-in function

c) Local function

d) User-defined function

27 / 34

27. Formal arguments are also called:

a) Dummy arguments

b) Referenced argument

c) Actual arguments

d) none

28 / 34

28. The name of actual and formal parameters:

a) May or may not be same

b) none

c) Must be same

d) Must be different

29 / 34

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

a) Destruction

b) Definition

c) Declaration

d) none

30 / 34

30. Global variables are created in:

a) none

b) ROM

c) Hard disk

d) RAM

31 / 34

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

a) Object files

b) Source file

c) Header file

d) Image files

32 / 34

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

a) Library function

b) User-defined function

c) Sub-program

d) none

33 / 34

33. Another name for built-in function is:

a) none

b) Arithmetic function

c) User-defined function

d) Library function

34 / 34

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

a) Built-in & User-defined

b) none

c) Built-in

d) User-defined

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) putc(

c) fputs(

d) none

2 / 20

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

a) getc( )

b) puts( )

c) putc( )

d) none

3 / 20

3. Which of the following are file handling functions?

a) none

b) fprintf( )

c) make()

d) fprintf( ) & make()

4 / 20

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

a) strcpy

b) strp

c) none

d) strpce

5 / 20

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

a) \n

b) \a

c) /0

d) \0

6 / 20

6. An array script should be:

a) int

b) double

c) An Array

d) float

7 / 20

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

a) 0 (Zero)

b) 1 (One)

c) FILE pointer

d) NULL

8 / 20

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

a) puts( )

b) putc()

c) none

d) fgets( )

9 / 20

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

a) Array

b) Structure

c) Union

d) Variable

10 / 20

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

a) Variable

b) none

c) Multiplication

d) Pointer

11 / 20

11. The f open() function uses parameters.

a) 5

b) 3

c) 4

d) 2

12 / 20

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

a) W

b) r

c) r+

d) W+

13 / 20

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

a) W

b) r

c) r+

d) W+

14 / 20

14. A can store text only.

a) Text file

b) Exe file

c) Object file

d) none

15 / 20

15. A streamis a interface to a file.

a) Serial

b) Logical

c) none

d) Parallel

16 / 20

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

a) Stop

b) none

c) Close

d) End

17 / 20

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

a) Open

b) New

c) none

d) Ready

18 / 20

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

a) Binary stream

b) Text stream

c) Input device

d) none

19 / 20

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

a) none

b) "w"

c) "r+"

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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Rawalpindi Board 2nd year Computer Science Chapter 6

Rawalpindi Board 2nd year Computer Science Chapter 7

Rawalpindi Board 2nd year Computer Science Chapter 8

Rawalpindi Board 2nd year Computer Science Chapter 9

Rawalpindi Board 2nd year Computer Science Chapter 10

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Rawalpindi Board 2nd year Computer Science Chapter 12

Rawalpindi Board 2nd year Computer Science Chapter 13

Rawalpindi Board 2nd year Computer Science Chapter 14

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