Rawalpindi Board 2nd year all Computer Science MCQS.

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

1 / 123

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

a) int

b) char

c) long

d) float

2 / 123

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

a) relationship

b) entities

c) descriptors

d) attribute

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

a) variable

b) pointer

c) multiplication

d) parameter

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

a) fgets()

b) frintf()

c) fscan()

d) fputc()

5 / 123

5. A form within another form is called:

a) query form

b) design grid

c) design form

d) query grid

6 / 123

6. A file is stored in :

a) RAM

b) hard disk

c) ROM

d) cache

7 / 123

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

a) duration

b) cycling

c) test

d) iteration

8 / 123

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

a) record

b) attribute

c) tuple

d) data item

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

a) table

b) form

c) relation

d) field

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10. Duplicate data in multiple data files is called:

a) program dependency

b) data consistency

c) data integrity

d) data redundancy

11 / 123

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

a) while

b) for

c) for-each

d) DO-while

12 / 123

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

a) relation

b) attribute

c) relationship

d) entity

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13. A constraint between two attributes is called:

a) attribute dependency

b) functional relation

c) functional dependency

d) relation constraint

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

a) view

b) report

c) table

d) tuple

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15. In if statement false is represented by:

a) 3

b) 0

c) 2

d) 4

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16. In visual basic variable cannot contain:

a) letter

b) period

c) number

d) underscore

17 / 123

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

a) identify

b) initialize

c) size

d) specify

18 / 123

18. Which statement is used for making two decision

a) if

b) if-else

c) nested -if

d) while

19 / 123

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

a) functional

b) partial

c) transitive

d) associative

20 / 123

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

a) duration

b) test

c) iteration

d) cycle

21 / 123

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

a) for

b) while

c) condition

d) do-while

22 / 123

22. While loop is also called:

a) nested loop

b) conditional loop

c) wend loop

d) counter loop

23 / 123

23. A loop with in a loop is called:

a) complex loop

b) nested loop

c) infinite loop

d) running loop

24 / 123

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

a) letter

b) underscore

c) period

d) number

25 / 123

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

a) record

b) character

c) field

d) byte

26 / 123

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

a) database

b) field

c) module

d) record

27 / 123

27. An array script should be:

a) float

b) an array

c) int

d) double

28 / 123

28. stdio stand for:

a) start input output

b) standard input output

c) string input output

d) simple input output

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29. _______ is not a database object:

a) query

b) table

c) MS word

d) report

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30. A funtion can return ________ value:

a) 2

b) 4

c) 3

d) 1

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

a) saving

b) executing

c) linking

d) compiling

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

a) boarder text

b) title

c) header

d) text

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33. Microsoft access save the database with the extension:

a) .mdb

b) .msdb

c) .mxls

d) .madb

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34. In E-R diagram a rectangle represents:

a) attribute

b) record

c) relationship

d) entity

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

a) entity

b) attribute

c) table

d) records

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36. Which keyword is not used in switch statement:

a) case

b) switch

c) if

d) default

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

a) %D

b) %c

c) %e

d) %s

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38.

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

a) matrix element

b) rows and column

c) interaction of

d) x and y co-ordinate

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40. The output of compiler is called:

a) source code

b) library code

c) linked code

d) object code

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

a) funtion body

b) funtion header

c) arguments

d) return type

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

a) classifyimg

b) data capturing

c) summarizing

d) sorting

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43. Which data type is the default data type:

a) memo

b) text

c) number

d) auto number

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44. Another term for conditional operator:

a) iteration

b) ternary

c) byte

d) binary

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

a) table

b) form

c) macro

d) query

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46. The foreign key is found in:

a) pivot table

b) dependent table

c) parent table

d) index table

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47. The manipulated and processed data is called:

a) knowledge

b) data

c) object

d) information

48 / 123

48. The lowest level of programming is called:

a) Fortran

b) assembly language

c) java

d) pascal

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49. Relational operator allow you to:

a) compare

b) multiply

c) add

d) divide

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50. Which of the fallowing is valid character constant:

a) a

b) ‘@’

c) =

d) "c"

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51. Which is a loop stunt:

a) if else

b) if

c) switch

d) for

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

a) 5

b) 2

c) 50

d) 20

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53. A built-in function:

a) exit do

b) can be redefined

c) cannot be redefined

d) end while

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54. Relational operator allow you to _________ numbers:

a) compare

b) multiply

c) divide

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

a) sort key

b) key attribute

c) Non-key attribute

d) composite key

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

a) constant

b) address

c) variable

d) named constant

57 / 123

57. In if statement, true is represented by:

a) 1

b) 2

c) 0

d) 3

58 / 123

58. Which of the fallowing may be temporary file:

a) office file

b) transaction file

c) backup file

d) master file

59 / 123

59. Global variable are created in:

a) cache

b) ROM

c) RAM

d) hard disk

60 / 123

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

a) putc()

b) fgets()

c) fputs()

d) getc()

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

a) transitive

b) non-functional

c) associative

d) partial

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62. _______ form of dependency removed in 3nf:

a) transitive

b) functional

c) non functional

d) partial

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63. In an E_R diagram , a rectangle represent:

a) attribute

b) entity

c) none

d) relationship

64 / 123

64. Which programming structure executes program statements in order:

a) relation

b) repetition

c) sequence

d) decision

65 / 123

65. In MS access ,table contains:

a) field

b) file

c) records

d) character

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

a) foreign key

b) multi valued key

c) global key

d) composite key

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

a) stdio.h

b) math.h

c) inout.h

d) conio.h

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

a) mutually exclusives

b) homonym

c) acronym

d) synonym

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69. The case block ends with:

a) end case

b) end select

c) case else

d) break

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70. Switch statement is an alternative of:

a) while loop

b) do_while loop

c) for loop

d) nested loop

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71. Format specifier is started with symbol:

a) %

b) ?

c) &

d) *

72 / 123

72. The loop which never end is called:

a) infinite loop

b) nested loop

c) running loop

d) continuous loop

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

a) continue

b) break

c) switch

d) default

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74. The extension of C source program is:

a) .C

b) .exe

c) .h

d) .obj

75 / 123

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

a) 3

b) 2

c) 4

d) 1

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76. In relational database a table is also called:

a) relation

b) file

c) tuple

d) schema

77 / 123

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

a) 6

b) 12

c) 9

d) 7

78 / 123

78. Conditional operator is an alternative of:

a) if_else

b) do-while

c) for

d) for-each

79 / 123

79. The fopen() funtion used_________ parameters?

a) 1

b) 2

c) 4

d) 5

80 / 123

80. The extension of image file is:

a) .exl

b) .ppt

c) .doc

d) .bmp

81 / 123

81. An attribute is also know as:

a) record

b) field

c) relation

d) entity

82 / 123

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

a) selection

b) sequential

c) repetition

d) iteration

83 / 123

83. The”.exe” file is produced by:

a) interpreter

b) compiler

c) loader

d) linker

84 / 123

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

a) strpcy

b) strcpy

c) strcp

d) sopy

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

a) person-date of birth

b) mother -daughter

c) field

d) Country-capital

86 / 123

86. Which form of dependency removed in 2nf?

a) associative

b) transitive

c) functional

d) partial

87 / 123

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

a) backup file

b) data file

c) master file

d) transaction file

88 / 123

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

a) nested loop

b) while loop

c) DO-while loop

d) for loop

89 / 123

89. The example of popular DBMS is :

a) MS-execl

b) MS_word

c) MS-power point

d) MS-acess

90 / 123

90. Formal arguments are also called:

a) actual arguments

b) original arguments

c) referenced arguments

d) dummy arguments

91 / 123

91. Merging the relation is also know as:

a) view integration

b) view entities

c) view tables

d) view relations

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

a) data inconsistency

b) data integrity

c) data isolation

d) data redundancy

93 / 123

93. Conditional operator takes :

a) three operands

b) four operands

c) two operands

d) one operands

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94. Which operation is performed by relational operator:

a) comparison

b) addition

c) subtraction

d) division

95 / 123

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

a) "a"

b) "w+"

c) "r+"

d) "w"

96 / 123

96. int is a____ in c?

a) cut word

b) special word

c) keyword

d) first word

97 / 123

97.

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

a) 7

b) 5

c) 4

d) 8

98 / 123

98. The format specifier %f is used for:

a) int

b) float

c) long

d) double

99 / 123

99. A database consist of various components called:

a) entities

b) properties

c) objects

d) tools

100 / 123

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

a) 25

b) 255

c) 31

d) 55

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

a) like"M-"

b) like"M#"

c) like"M*"

d) like"M?"

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

a) \b

b) \a

c) \n

d) \m

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

a) object

b) identifier

c) attribute

d) relationship

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104. The target code produce by the compiler is:

a) linked code

b) source code

c) library code

d) object code

105 / 123

105. A logical group of character is a:

a) record

b) table

c) file

d) field

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106. Which is numeric data type with decimal point:

a) int

b) long

c) char

d) float

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

a) date\time

b) text

c) memo

d) number

108 / 123

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

a) int

b) void

c) float

d) nothing

109 / 123

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

a) break

b) stop

c) end

d) abort

110 / 123

110. The extension of a header file is:

a) .hf

b) .c

c) .txt

d) .h

111 / 123

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

a) interpreter

b) linker

c) loader

d) compiler

112 / 123

112. The output of compiler is:

a) library code

b) object code

c) linked code

d) source code

113 / 123

113. The column of a table is know as:

a) record

b) table

c) cell

d) field

114 / 123

114. a+=b is equal to:

a) a=+b

b) a=a+b

c) b=b+a

d) b+=a

115 / 123

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

a) identifier

b) entity

c) attribute

d) relationship

116 / 123

116. The graphical query tool is know as :

a) design grid

b) query form

c) design form

d) query grid

117 / 123

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

a) 2

b) 5

c) 3

d) 8

118 / 123

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

a) 255

b) 155

c) 50

d) 250

119 / 123

119. A record may be based on :

a) byte

b) bits

c) table

d) field

120 / 123

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

a) funtion

b) constant

c) parameter

d) expression

121 / 123

121. ____ is a loop statement:

a) switch

b) if else

c) if

d) for

122 / 123

122. Which loop structure always executes at least once?

a) while wend

b) DO-while

c) while

d) for

123 / 123

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

a) gets()

b) scanf()

c) print()

d) printf()

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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) Character

b) Record

c) Database

d) File

3 / 57

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

a) Character

b) Record

c) Byte

d) Field

4 / 57

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

a) All

b) Event

c) Product

d) Person

5 / 57

5. A logical grouping of character is a

a) field

b) file

c) all

d) record

6 / 57

6. A field is to a record as

a) data are to file

b) attribute are to columns

c) A column is to a row

d) files are to table

7 / 57

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

a) cell

b) record

c) field

d) file

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) file

b) record

c) module

d) field

10 / 57

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

a) database

b) record

c) module

d) field

11 / 57

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

a) all

b) library management system

c) college management system

d) account & inventory system

12 / 57

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

a) data model

b) data structure

c) data warehouse

d) data type

13 / 57

13. Which of the following data model is more flexible

a) network model

b) relational model

c) hierarchical model

d) a and b

14 / 57

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

a) direct access file

b) sequential file

c) indexed sequential file

d) random file

15 / 57

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

a) backup file

b) none

c) transaction file

d) master file

16 / 57

16. SQL is a(n)

a) Un structured language

b) Structured language

c) object oriented language

d) all

17 / 57

17. SQL stands for

a) Self Query Language

b) Sort Query Language

c) Seek Query Language

d) Structured Query Language

18 / 57

18. SQL can be used to

a) modify database data only

b) all

c) query database data only

d) create database structures only

19 / 57

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

a) data file

b) none

c) program file

d) both a and b

20 / 57

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

a) transaction file

b) none

c) backup file

d) master file

21 / 57

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

a) none

b) master file

c) transaction file

d) backup file

22 / 57

22. Which of the following file consist the software instructions

a) both a and b

b) program file

c) data file

d) none

23 / 57

23. The extension of program file is

a) .exe and .com both

b) .exe

c) none

d) .com

24 / 57

24. Which of the following is an image file extension

a) .bmp

b) .jpg

c) .tif

d) all

25 / 57

25. The extension for a video file is

a) .avi

b) .mpg

c) .avi and .mpg

d) .txt

26 / 57

26. The extension of audio files is

a) txt

b) .doc

c) .mid

d) .wav and .mid

27 / 57

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

a) dot

b) slash

c) semicolon

d) colon

28 / 57

28. In “‘program.txt” , ‘txt” is the:

a) file name

b) directory

c) file location

d) extension

29 / 57

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

a) txt

b) mdb

c) rtf

d) doc

30 / 57

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

a) sequential file

b) indexed sequential file

c) ALL

d) direct or random file

31 / 57

31. The problem synonym occurs in:

a) Sequential files

b) None

c) Direct or random files

d) Indexed sequential files

32 / 57

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

a) Record Access

b) Read only Access

c) Random Access

d) Sequential Access

33 / 57

33. A database is an organized collection of related data

a) logically

b) loosely

c) physically

d) badly

34 / 57

34. The objectives of database management systems include:

a) Availability

b) Data Integration

c) All

d) Database Integrity

35 / 57

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

a) Relational

b) Network

c) Hierarchical

d) Object-oriented

36 / 57

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

a) Relational Model

b) Object 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) Relational data model

b) Object data model

c) Hierarchical data model

d) Network data model

38 / 57

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

a) Object data model

b) Network data model

c) Hierarchical data model

d) Relational data model

39 / 57

39. Information sharing means that:

a) Neither a nor b

b) Both a and b

c) The same information can be shared by different applications

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

40 / 57

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

a) Database Modeling System

b) Data Business Management Service

c) Database Management System

d) Data Business Model System

41 / 57

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

a) Software, You, Me, DBA, Client

b) DBMS, Hardware, User, Programmer, Engineer

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

d) Hardware, Software, People and Data

42 / 57

42. Data that causes inconsistency lacks:

a) Data redundancy

b) Good data

c) Data anomaly

d) Data integrity

43 / 57

43. In a database processing system:

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

b) a and c

c) The DBMS accesses the database data

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

44 / 57

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

a) Reduced security and the control of data

b) Programs are independent of data format

c) all

d) Increased duplication of data

45 / 57

45. DBMS stands for:

a) Database Management System

b) Data Business Management Service

c) Data Business Model System

d) Database Modeling System

46 / 57

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

a) Backup /Recovery

b) Redundant data

c) Better data quality

d) Data independence

47 / 57

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

a) Data dependence

b) Data integration

c) Data relationships

d) Data independence

48 / 57

48. Database application contain procedures for:

a) Adding records

b) Processing queries

c) Deleting records

d) all

49 / 57

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

a) All

b) Database administrator

c) Application programmer

d) End users

50 / 57

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

a) Hierarchical

b) Relational

c) Object-oriented

d) Network

51 / 57

51. The major component of DBMS is called

a) Data Manager

b) All

c) Database Manager

d) File Manager

52 / 57

52. Duplicate data in multiple data file is:

a) Data intergrity

b) Data multiplication

c) Data redundancy

d) None

53 / 57

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

a) structure query language

b) data store

c) data mine

d) data dictionary

54 / 57

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

a) Report

b) Table

c) Letter

d) Query

55 / 57

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

a) Report

b) Entity

c) Screen

d) Query

56 / 57

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

a) Reporter

b) Report Generator

c) Report Builder

d) Report Writer

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) Database Administrator

c) Data basic Administration

d) Database authority

2 / 37

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

a) Secondary key

b) Composite key

c) Primary key

d) Candidate key

3 / 37

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

a) Web designer

b) Database administrator

c) End user

d) Application programmer

4 / 37

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

a) All

b) View

c) Parent table

d) Dependent table

5 / 37

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

a) Sort key

b) Primary key

c) Candidate key

d) Composite key

6 / 37

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

a) Global Key

b) Multivalued key

c) Composite key

d) Foreign key

7 / 37

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

a) Link key

b) Foreign key

c) Logic Key

d) Global key

8 / 37

8. A candidate key is:

a) All

b) Primary key

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

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

9 / 37

9. Which field is the most appropriate primary key?

a) Address

b) Name

c) NIC Number

d) Birth Date

10 / 37

10. Which of the following can be a primary key

a) Salary

b) Customer ID

c) Last name

d) Region

11 / 37

11. How many primary keys can a table have?

a) 1

b) 1 or 2

c) any

d) 1 to 5

12 / 37

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

a) Social security number

b) Order number

c) Student ID number

d) Zip code

13 / 37

13. Which of the following describes the primary key?

a) All of the above

b) It helps in indexing of a large database

c) It makes sorting quicker

d) It must be unique

14 / 37

14. A key is:

a) the last field of a relation

b) none of these

c) the most important field in a record

d) the first field of a relation

15 / 37

15. Which of the following are properties of relations?

a) All of the above

b) There are no multivalued attributes in a relation

c) Each attribute has a unique name

d) No two rows in a relation are identical

16 / 37

16. An index can used to:

a) Improve the performance of the database

b) Document the structure of the database

c) All

d) Reduce data dependency for application programs

17 / 37

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

a) The order of rows is insignificant

b) The order of columns is significant

c) Each row is unique

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) Data item

d) Attribute

19 / 37

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

a) Attribute

b) Field

c) Entity

d) Record

20 / 37

20. A row of a relation is called:

a) Attribute

b) Tuple

c) a and c

d) Tuple

21 / 37

21. A relation is also known as:

a) Attribute

b) Tuple

c) Table

d) Relationship

22 / 37

22. An attribute is also known as a:

a) Relation

b) Field

c) Row

d) Table

23 / 37

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

a) Rows and columns

b) Intersection of data

c) x and y co-ordinates

d) Matrix elements

24 / 37

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

a) Set

b) Group

c) Relation

d) Module

25 / 37

25. A table should have:

a) Composite key

b) Sort key

c) Secondary key

d) Primary key

26 / 37

26. The foreign key is found in:

a) Dependent table

b) Pivot table

c) Index table

d) Parent table

27 / 37

27. The Columns of a table correspond to

a) Record

b) Cell

c) Field

d) Table

28 / 37

28. SQL is used for:

a) Data manipulation

b) Data control

c) Data definition

d) All

29 / 37

29. CREATE command is used to create:

a) Record

b) Query

c) Report

d) View

30 / 37

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

a) Relation

b) View

c) Tuple

d) Table

31 / 37

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

a) 100

b) 10

c) Variable

d) Constant

32 / 37

32. The views are used:

a) To hide columns

b) To hide complex SQL statements

c) All of the above

d) To hide rows

33 / 37

33. Views are also called:

a) Simple tables

b) Actual Tables

c) Complex tables

d) Virtual tables

34 / 37

34. The SQL statement to create a view is:

a) SELECT VIEW

b) INSERT VIEW

c) CREATE VIEW

d) MAKE VIEWS

35 / 37

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

a) Constant value

b) No value

c) Single value

d) Multiple values

36 / 37

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

a) Sorted

b) Sorted

c) Any

d) Same

37 / 37

37. Insert command is used to insert:

a) New table

b) View

c) New record

d) Dependencies

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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) attribute

b) entity

c) file

d) relationship

2 / 32

2. all the hardware costs are considered during

a) data analysis

b) requirement analysis

c) feasibility study

d) project planning

3 / 32

3. merging the relation is also known as

a) none

b) view entities

c) view integration

d) view relationship

4 / 32

4. the logical representation of an organization

a) entity relationship model

b) database management system

c) none

d) data base entity diagram

5 / 32

5. which of the following is related to modality

a) mandatory

b) unidirectional

c) unidirectional & mandatory

d) optional

6 / 32

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

a) modality

b) modality & decision trees

c) decision trees

d) none

7 / 32

7. the relationship can be

a) all

b) one to many

c) one to one

d) many to many

8 / 32

8. which of the following represented the entities

a) all

b) teacher

c) student

d) aeroplane

9 / 32

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

a) decision trees

b) decision tables

c) data flow diagram

d) all

10 / 32

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

a) data distribution strategy

b) data volume and usage analysis

c) data volume and usage analysis

d) normalize the relations

11 / 32

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

a) data distribution strategy

b) indexes

c) integrity constraints

d) file organization

12 / 32

12. an index may be created on

a) secondary key

b) foreign key

c) primary key

d) all

13 / 32

13. which of the following is basic data distribution strategy

a) centralized

b) replicated

c) all

d) partitioned

14 / 32

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

a) analysis

b) physical design

c) implementation

d) logical design

15 / 32

15. a disadvantage of partitioning is

a) complexity

b) all

c) extra space and update time

d) inconsistent access speed

16 / 32

16. an advantage of partitioning is

a) accuracy

b) extra space

c) efficiency

d) reliability

17 / 32

17. the relationship can be

a) one to one

b) all

c) one to many

d) many to many

18 / 32

18. which of the following are ingredients of data modeling

a) all

b) attributes

c) relationships

d) entities

19 / 32

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

a) all

b) fast retrieval

c) efficient storage

d) security

20 / 32

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

a) file organization

b) update program

c) retrieval program

d) physical pointer

21 / 32

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

a) entities

b) description

c) attributes

d) relationships

22 / 32

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

a) object

b) concept

c) action

d) person

23 / 32

23. In an E-R diagram a rectangle represented

a) entities

b) none

c) relationships

d) attributes

24 / 32

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

a) entity

b) attribute

c) none

d) relationship

25 / 32

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

a) modality

b) attribute

c) cardinality

d) relationship

26 / 32

26. customer cars and parts are example of

a) entities

b) modality

c) cardinality

d) attributes

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) only large

b) critical

c) non critical fragment

d) none

29 / 32

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

a) rectangular shape

b) none

c) diamond shape

d) oval shape

30 / 32

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

a) network data model

b) object oriented model

c) hierarichal data model

d) implementation

31 / 32

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

a) Recursive relationship

b) One-to-one relationship

c) One-to-many relationship

d) Many-to-many relationship

32 / 32

32. Which of the following keys is not unique:

a) Foreign Key

b) Candidate Key

c) Primary 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) The program executes at least once

b) When the number of iterations are known in advance

c) The terminate condition occurs unexpectedly

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

2 / 53

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

a) When the program executes at least once

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

c) When the loop terminates unexpectedly

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 loop terminates unexpectedly

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

c) When the program executes at least once

d) When the number of iterations are known in advance

4 / 53

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

a) Exit function

b) Break statement

c) Continue statement

d) Nested loop

5 / 53

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

a) Break statement

b) Else-if statement

c) If-else statement

d) While loop

6 / 53

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

a) If-else statement

b) If statement

c) While loop

d) Else-if statement

7 / 53

7. How is multiple-statement for loop terminated?

a) With a colon

b) With semicolon

c) With a right bracket

d) With a right brace

8 / 53

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

a) With a colon

b) With a semicolon

c) With a right bracket

d) With a right brace

9 / 53

9. In which sequence the while loop is executed:

a) Initialization, testing, execution of body

b) Initialization, execution of body, testing

c) Testing, initialization, execution of body

d) Execution of body, initialization, testing

10 / 53

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

a) 150

b) 15

c) 25

d) 5

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) 5

b) 50

c) 1.5

d) 10

12 / 53

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

a) The loop should be executed at least once

b) The termination condition is known in advance

c) The loop should be executed once only

d) The number of iterations is not known in advance

13 / 53

13. The switch statement is very similar to the:

a) Conditional operator

b) If else statement

c) If-else-if statement

d) If statement

14 / 53

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

a) Do-while

b) While

c) If-else

d) For

15 / 53

15. Which of the following is a loop statement?

a) If-else

b) For

c) Switch

d) If

16 / 53

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

a) Do-while loop

b) All

c) For loop

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) For

b) While

c) Do-while

d) Infinite

18 / 53

18. This means to increase a value by one:

a) Decrement

b) Up

c) Modulus

d) Increment

19 / 53

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

a) Assignment

b) Increment/decrement

c) Validation

d) Recalling

20 / 53

20. The number of expressions in for loop are:

a) 4

b) 2

c) 3

d) 1

21 / 53

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

a) Skip

b) Default

c) Switch

d) Continue

22 / 53

22. A loop within a loop is called:

a) Nested loop

b) Complex loop

c) Dual loop

d) Infinite loop

23 / 53

23. This statement causes a loop to terminate early?

a) Terminate

b) Exit

c) Stop

d) Break

24 / 53

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

a) Body

b) Header

c) Center

d) Title

25 / 53

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

a) While

b) While/do-while

c) For

d) Do-while

26 / 53

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

a) While

b) None

c) For

d) Do-while

27 / 53

27. Which loop structure always executes at least once?

a) For

b) Counter

c) Do-while

d) While

28 / 53

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

a) For

b) While

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) 4

c) 2

d) 3

31 / 53

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

a) Test

b) Duration

c) Iteration

d) Cycle

32 / 53

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

a) Loop structure

b) If else

c) Decision statement

d) Switch

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 x<4:

b) case ‘ab’:

c) case 1:

d) case 1.5:

35 / 53

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

a) Break

b) Default

c) Switch

d) Case

36 / 53

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

a) 0

b) 1

c) One for each case

d) 2

37 / 53

37. Switch statement is alternative of:

a) If-else

b) Nested if

c) If

d) Nested if-else

38 / 53

38. The case block ends with:

a) End select

b) End case

c) Break

d) Case else

39 / 53

39. It is not part of switch statement:

a) Else

b) Case

c) Default

d) Break

40 / 53

40. The case is used with:

a) For loop

b) Switch statement

c) If statement

d) Do while loop

41 / 53

41. The conditional operator is alternative of:

a) Nested if

b) All

c) If else

d) If

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) 5

b) 3

c) 1

d) 2

44 / 53

44. It is also known as conditional operator

a) Ternary operator

b) Binary operator

c) Unary operator

d) Assignment operator

45 / 53

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

a) Case statement

b) Else statement

c) Break statement

d) If statement

46 / 53

46. In if statement, true is represented by:

a) 2

b) 3

c) 1

d) 0

47 / 53

47. In if statement, false is represented by:

a) 3

b) 0

c) 2

d) 1

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) Nested if

b) If

c) If-else

d) Switch

50 / 53

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

a) While

b) Switch

c) If-else

d) If

51 / 53

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

a) Selection

b) Repetition

c) Sequential

d) None

52 / 53

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

a) Three

b) Four

c) One

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 control

c) Data structure

d) Control structure

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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) Wizard

d) Easier programming

2 / 24

2. Which of the following is the correct association?

a) Record = row

b) Field_ = row

c) Record = table

d) File = column

3 / 24

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

a) Byte

b) Character

c) Field

d) Record

4 / 24

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

a) Character

b) Record

c) Byte

d) Field

5 / 24

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

a) Field

b) Record

c) Table

d) Query

6 / 24

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

a) Field

b) Cell

c) Forms

d) Table

7 / 24

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

a) Cell

b) Table

c) Field

d) Form

8 / 24

8. A report may be based on a:

a) None

b) Query

c) Table

d) Both a and b

9 / 24

9. An example of a query is

a) Both a and c are correct

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

c) Importing of a spreadsheet file into the database.

d) Search for a specific record.

10 / 24

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

a) 1

b) 3

c) 2

d) Any

11 / 24

11. The columns of a table correspond to:

a) Table

b) Field

c) Cell

d) Record

12 / 24

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

a) All of these

b) Folders and Tools

c) Database, Datasheet, and Form views

d) Tables, forms, queries, and reports

13 / 24

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

a) Query

b) Form

c) Table

d) Macro

14 / 24

14. which of the following is NOT a database object

a) Table

b) Report

c) MS Word

d) Query

15 / 24

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

a) Database name

b) All of these

c) Program Name

d) Object Type

16 / 24

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

a) All of these

b) Object Type

c) Database name

d) Program Name

17 / 24

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

a) Access templates

b) Blank database

c) New Folder

d) Existing Database

18 / 24

18. An MS access table consists

a) All

b) Characters

c) Field

d) Records

19 / 24

19. A report is a complete set of

a) distinct

b) designed

c) all

d) related

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) .mdb

b) .msdb

c) .madb

d) .mxls

22 / 24

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

a) form

b) report

c) query

d) Table

23 / 24

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

a) Reports

b) Forms

c) Queries

d) Tables

24 / 24

24. A database consist of various component called

a) entities

b) Objects

c) tools

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) all

c) Data security

d) Data independence

2 / 74

2. The wildcard Sal[ei]ma.

a) Saleema

b) None

c) Both a and b

d) Salima

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) Equals

b) Not Equal

c) Between-And

d) Like

5 / 74

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

a) Field

b) Show

c) Sort

d) Criteria

6 / 74

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

a) Saleem

b) all

c) =Saleem

d) "Saleem"

7 / 74

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

a) Ander?

b) Both rab? and rab*

c) rab*

d) Neither rab? and rab*

8 / 74

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

a) Hall

b) Hill

c) all

d) Hiell

9 / 74

9. the result of a query are displayed in a

a) Dynaset

b) Form

c) Design grid

d) Report

10 / 74

10. Which of the following criterion should be used?

a) >1/1/1999

b) <1/1/1999

c) Before 1/1/1999

d) =1/1/1999

11 / 74

11. Which wildcard replaces one character only?

a) #

b) !

c) *

d) ?

12 / 74

12. The graphical query tool is known as?

a) Design grid

b) Design form

c) Query grid

d) Query form

13 / 74

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

a) None

b) Only the fields in tile query

c) The table underlying the query

d) Structure of the query

14 / 74

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

a) Design grid

b) Expression builder

c) Field list box

d) Query type list

15 / 74

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

a) A Design grid

b) Neither a field list nor a Design grid

c) Both a field list and a Design grid

d) A field list

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) Move

b) Append

c) Delete

d) Make-Table

18 / 74

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

a) Select

b) Union

c) Crosstable

d) Parameter

19 / 74

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

a) To use it as a basis for a form

b) To create many special purpose queries

c) all

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) Make Table query

d) Convert query

22 / 74

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

a) Delete query

b) Convert query

c) Make tabs query

d) Append query

23 / 74

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

a) Delete

b) Append query

c) Select query

d) Update

24 / 74

24. Which of the following describes a select query?

a) all

b) Limits the fields shown

c) Limits the records shown

d) Selects records based on specific criteria

25 / 74

25. What is the most common type of relationship?

a) Many-to-One

b) One-to-Many

c) Many-to-Many

d) One-to-One

26 / 74

26. Why would you create relationships and use them?

a) To minimize the size of the database

b) To avoid data redundancy in a database

c) all

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 field type

b) Same name

c) Both a and b

d) none

28 / 74

28. What is the advantage of enforcing referential integrity?

a) Ability to create a query using two tables

b) Prevents orphan records between tables

c) All

d) Using sub datasheet in a table

29 / 74

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

a) Bold field

b) Primary key typed beside the field

c) Key beside the field

d) Underlined field

30 / 74

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

a) ecord is saved

b) Record selector changes to a triangle

c) Record selector moves to next record

d) All of these

31 / 74

31. The Sort Ascending button will:

a) Order all records reverse alphabetically

b) Filter out selected records

c) Delete selected records

d) Order all records alphabetically

32 / 74

32. What is Z to A order called?

a) Condescending

b) Descending

c) Alphabetical

d) Ascending

33 / 74

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

a) 4 OR 5

b) none

c) 1985

d) Abdullah

34 / 74

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

a) Parameter query

b) Filter by Form+

c) Filter by Selection

d) None

35 / 74

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

a) Remove Filter

b) Apply Filter

c) Clear Grid

d) Find Next

36 / 74

36. Why is it important to hide a column?

a) Data is no longer needed

b) To delete the field

c) None

d) Need to print table without that data included

37 / 74

37. Find and Replace command is found in:

a) Edit men

b) File menu

c) Tool

d) View menu

38 / 74

38. Which formal property displays text in uppercase?

a) Upper

b) Less than sign

c) Greater than sign

d) TEXT

39 / 74

39. Which does not improve data entry?

a) Input masks

b) Indexing

c) Required fields

d) Validation rules

40 / 74

40. Which field type can be indexed?

a) Number

b) OLE

c) Memo

d) Hyperlink

41 / 74

41. Why are validation rules used in a database?

a) Both a and b

b) Neither a nor b

c) To avoid typing errors

d) Ensure correct data is entered

42 / 74

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

a) A date

b) Telephone number

c) Social security number

d) Street address

43 / 74

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

a) A date

b) Social security number

c) Telephone number

d) all

44 / 74

44. Field properties are shown in:

a) Design view

b) none

c) Design view & Datasheet view

d) Datasheet view

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) Size

b) Property

c) Orientation

d) Color

47 / 74

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

a) Memo

b) Name

c) Currency

d) Text

48 / 74

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

a) Tables

b) all

c) Queries

d) Forms

49 / 74

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

a) OLE Object

b) Lookup Wizard

c) Hyperlink

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) Number

b) Currency

c) Memo

d) Auto Number

51 / 74

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

a) OLE object

b) Hyperlink

c) Memo

d) Auto Number

52 / 74

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

a) Text AND Memo

b) Number and Currency

c) Date/Time

d) all

53 / 74

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

a) Memo

b) Text

c) Date/Time

d) Number

54 / 74

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

a) Number

b) Memo

c) Text

d) Currency

55 / 74

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

a) Yes/No

b) Log

c) True/False

d) Boolean

56 / 74

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

a) 50

b) 20

c) 40

d) 30

57 / 74

57. which data type is the default type

a) Memo

b) Number

c) Text

d) Auto Number

58 / 74

58. A field`s width indicates

a) number of inches it takes on the screen

b) Number of characters it can contain

c) number of characters visible on the screen

d) number of pixels it takes on screen

59 / 74

59. Every field in a table has:

a) field name

b) Field name and a data type

c) field name, field number and data type

d) Field name and a field number

60 / 74

60. What symbol indicates that you are editing a record

a) Key

b) Asterisk

c) Black Arrow

d) Pencil

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 by entering data

c) all

d) Creating table in Design view

62 / 74

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

a) Edit

b) View

c) Tools

d) File

63 / 74

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

a) Design view

b) Record view

c) Datasheet view

d) Edit view

64 / 74

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

a) Relationship

b) Datasheet

c) Design

d) QBE

65 / 74

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

a) The contents of each field

b) The field names

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) Design

b) Datasheet

c) QBE

d) Relationship

67 / 74

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

a) Esc

b) Spacebar

c) Tab

d) Enter

68 / 74

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

a) Find Next

b) Next

c) Search

d) Find

69 / 74

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

a) H*4

b) H???

c) H####

d) H?4

70 / 74

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

a) 4

b) 3

c) 2

d) 1

71 / 74

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

a) Normalization

b) Entity relationship

c) Referential integrity

d) all

72 / 74

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

a) entity

b) table

c) record

d) Attribute

73 / 74

73. How many types of relationship can be used?

a) 3

b) 2

c) 4

d) 5

74 / 74

74. The data in tables is entered in:

a) Layout view

b) Datasheet view

c) Normal view

d) Grid view

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Rawalpindi Board 2nd year Computer Science Chapter 7

/27

RWP_2ND_CS_7

Rawalpindi Board 2nd year Computer Science Chapter 7

1 / 27

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

a) None

b) Multiple inheritance

c) Multilevel inheritance

d) Single inheritance

2 / 27

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

a) Sub class ,parent class

b) Parent class , sub class

c) Child class, parent class

d) None

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 and sub class

c) Child class

d) Parent class

5 / 27

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

a) Abstract class

b) Child class

c) Super class

d) Parent class

6 / 27

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

a) Inheritance

b) Polymorphism

c) Data abstraction

d) Encapsulation

7 / 27

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

a) Encapsulation

b) Information hiding

c) Inheritance

d) Polymorphism

8 / 27

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

a) Abstraction

b) Inheritance

c) Encapsulation

d) Polymorphism

9 / 27

9. A class can have how many destructor

a) 1

b) 4

c) 3

d) 2

10 / 27

10. The constructor with out parameters is called

a) Operator constructor

b) Method constructor

c) function constructor

d) Default constructor

11 / 27

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

a) Destructor

b) Friend function

c) Constructor

d) Overridden function

12 / 27

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

a) Overridden function

b) Destructor

c) Constructor

d) Friend functions

13 / 27

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

a) Friend function

b) Overridden function

c) Constructor

d) Destructor

14 / 27

14. Which of the following is true about a constructor

a) It has no return type

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

c) It is always public

d) All

15 / 27

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

a) Friend function

b) Overridden function

c) Constructor

d) Destructor

16 / 27

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

a) Public

b) Final

c) Protected

d) Private

17 / 27

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

a) Private

b) All

c) Protected

d) Public

18 / 27

18. Members of object are accessed with

a) Address operator

b) Extraction operator

c) Resolation operator

d) Dot operator

19 / 27

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

a) Private

b) Public

c) Default

d) Protected

20 / 27

20. Which of the following are types of access specifier

a) Null and void

b) Sub and class

c) Private and public

d) Virtual and function

21 / 27

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

a) Protected

b) Private

c) Public

d) All

22 / 27

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

a) Tag

b) Class

c) Private

d) Public

23 / 27

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

a) Attributes

b) Methods

c) Member function

d) object

24 / 27

24. Data members are also called

a) Methods

b) Attributes

c) Object

d) Class

25 / 27

25. The attributes of a class are called

a) Methods

b) Object

c) Member function

d) Data members

26 / 27

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

a) Instance

b) Data collection

c) Tag

d) Constants

27 / 27

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

a) Query language

b) Procedural programming

c) Object-oriented programming

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 compiler

d) Instruction for linker

2 / 78

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

a) header & linker

b) compiler & header

c) None

d) compiler & linker

3 / 78

3. computer programs are also known as:

a) Software

b) Procedure

c) None

d) Hardware

4 / 78

4. The statements written by the programmer are called:

a) Syntax

b) Object code

c) Source code

d) None

5 / 78

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

a) None

b) Preprocessor directive

c) Keyword

d) Comment

6 / 78

6. Types of translators are:

a) All

b) None

c) Compilers

d) Assemblers

7 / 78

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

a) debugging

b) Processing

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) interpreter

d) None

9 / 78

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

a) None

b) Interpreter

c) Assembler

d) Compiler

10 / 78

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

a) Debugger

b) Assembler

c) Converter

d) Translator

11 / 78

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

a) COBOL

b) None

c) PASCAL

d) BASIC

12 / 78

12. An assembly language uses:

a) Binary Digit

b) English Words

c) None

d) Mnemonic Codes

13 / 78

13. The lowest level of programming language is:

a) None

b) Pascal

c) Java

d) Assembly Language

14 / 78

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

a) None

b) FORTRAN

c) Assembly language

d) BASIC

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) None

b) Pascal

c) Machine language

d) DOS

17 / 78

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

a) High level language

b) None

c) Machine language

d) Assembly language

18 / 78

18. Machine language:

a) is the only language understood by the computer.

b) All of these

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

d) None

19 / 78

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

a) Run-time error

b) Logic error

c) None

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) Syntax error

c) None

d) Run-time error

21 / 78

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

a) Library module

b) Source module

c) None

d) Object module

22 / 78

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

a) Both a and b

b) Logical error

c) Syntax error

d) None

23 / 78

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

a) Linker

b) Loader

c) Debugger

d) Compiler

24 / 78

24. Which of the following reason causes the syntax error

a) Missing any of the delimiters

b) Missing statement terminator

c) All

d) using a variable without declaration

25 / 78

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

a) Syntax error

b) Program error

c) Runtime error

d) None

26 / 78

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

a) Syntax

b) Preprocessor

c) Debug

d) Bug

27 / 78

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

a) hello

b) None

c) HELLO

d) Hello

28 / 78

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

a) Program error

b) Logic error

c) Syntax error

d) None

29 / 78

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

a) Operator error

b) Syntax error

c) Logic error

d) Run-time error

30 / 78

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

a) Down

b) Short circuit

c) Crash

d) Bug

31 / 78

31. C statements end with a:

a) semicolon

b) Period

c) semicolon

d) None

32 / 78

32. main is a

a) Expression

b) Function

c) Compiler directive

d) Comment

33 / 78

33. C programs are divided into units called:

a) Section

b) debug

c) Syntax

d) Functions

34 / 78

34. void occupy how many bytes in memory?

a) 2

b) 3

c) 0

d) 1

35 / 78

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

a) Assembly language

b) C++

c) Machine language

d) C

36 / 78

36. Debug is the process of:

a) Identifying Errors

b) Removing Errors

c) Creating bugs in program

d) Identifying and removing errors

37 / 78

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

a) Closing brace

b) None

c) Colon

d) Comma

38 / 78

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

a) Statement

b) None

c) Line

d) Keyword

39 / 78

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

a) None

b) stdio.h

c) math.h

d) conio.h

40 / 78

40. which of the following header

a) conio.h

b) stdio.h

c) None

d) math.h

41 / 78

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

a) Both a and b

b) stdio.h

c) None

d) math.h

42 / 78

42. The extension of the header file is:

a) .h

b) .CPP

c) .c

d) .txt

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) Complex input output

c) Common input output

d) Console input output

45 / 78

45. stdio stands for:

a) Symbolic input output

b) String input-output

c) Standard input output

d) Simple input output

46 / 78

46. stdio.h is part of:

a) C standard library

b) Compiler

c) main function

d) Comment section

47 / 78

47. The expression may be:

a) Constant

b) arithmetic expression

c) string

d) All

48 / 78

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

a) Both a or b

b) # include "name of the header file"

c) #include

d) None of these

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) main ( )

b) All

c) Using namespace std;

d) #include

51 / 78

51. Header files in C contain:

a) Header information of C programs

b) Operators for files

c) Library functions

d) Compiler commands

52 / 78

52. The expression in define directive:

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

b) Cannot be assigned a value

c) Can not be changed but can be redefined

d) Cannot be changed

53 / 78

53. Processor directives are command for

a) Language Processor

b) Microprocessor

c) C preprocessor

d) Loader

54 / 78

54. The basic structure of C program consists of:

a) Preprocessor Directive

b) All

c) Program body

d) main() function

55 / 78

55. Compiled programs typically, execute faster because:

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

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

c) None of the above

d) Compiled programs do not require any data

56 / 78

56. The “.exe” file is produced by:.

a) Compiler

b) linker

c) interpreter

d) Loader

57 / 78

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

a) executing

b) Debugging

c) Saving

d) Compiling

58 / 78

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

a) Saving

b) Linking

c) Compiler

d) Executing

59 / 78

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

a) ALT+F9

b) CTRL+F9

c) CTRL+S

d) ALT+F5

60 / 78

60. The output of the compiler is called:

a) Library code

b) Object code

c) Linked code

d) Source code

61 / 78

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

a) CTRL+F9

b) ALT+F9

c) ALT+F5

d) CTRL+S

62 / 78

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

a) Object file

b) Source file

c) exe file

d) None

63 / 78

63. The extension of object file is:

a) .c

b) .obj

c) .exe

d) .h

64 / 78

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

a) Linking

b) Saving

c) Executing

d) Compiling

65 / 78

65. The extension of C source program is:

a) .h

b) .obj

c) .exe

d) .c

66 / 78

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

a) F5

b) F9

c) F2

d) F3

67 / 78

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

a) Linker

b) Compiler

c) Debugger

d) Text editor

68 / 78

68. An IDE stands for:

a) Input data error

b) Integrated Development Environment

c) Internal disk error

d) Input Desktop environment

69 / 78

69. An IDE typically consists of:

a) Compiler

b) Text editor

c) Debugger

d) All

70 / 78

70. Turbo C++ can compile

a) Turbo C++ Programs only

b) C and C++ programs

c) C programs only

d) Turbo C Programs only

71 / 78

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

a) B

b) C++

c) Java

d) Pascal

72 / 78

72. C is a:

a) Low-level language

b) Machine Language

c) Assembly language

d) High level language

73 / 78

73. C was designed to write program for:

a) Unix operating system

b) OS/2 operating system

c) Solaris operating system

d) Windows operating system

74 / 78

74. Who developed C?

a) Charles Babbage

b) Al- Khuwarizmi

c) Von-Neumann

d) Dennis Ritchie

75 / 78

75. B was developed in the year:

a) 1992-1996

b) 1965-1975

c) 1969-70

d) 1972-1988

76 / 78

76. C was developed in the year:1972

a) 1972

b) 1971

c) 1973

d) 1970

77 / 78

77. Computer programs are also known ac

a) Software

b) Firmware

c) Hardware

d) None

78 / 78

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

a) Software

b) Bug

c) Hardware

d) None

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Rawalpindi Board 2nd year Computer Science Chapter 9

/89

Created on February 18, 2022 By

admin

RWP_2ND_CS_9

Rawalpindi Board 2nd year Computer Science Chapter 9

1 / 89

1. Data type int contains bytes:

a) 4

b) 6

c) 2

d) 8

2 / 89

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

a) ++ and – –

b) Relational

c) Plus and minus

d) None

3 / 89

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

a) 2dGraph

b) dayOfWeek

c) jan2009

d) _cust_num

4 / 89

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

a) float

b) none

c) int

d) real

5 / 89

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

a) Logical operators

b) None

c) Arithmetic operators

d) Relational operators

6 / 89

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

a) Numbers and characters

b) None

c) Integer and floating point

d) Single and double

7 / 89

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

a) char ch = 97

b) char ch = "a";

c) char ch=’ab’

d) char ch = ‘a’;

8 / 89

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

a) Round off

b) Arithmetic underflow

c) Arithmetic overflow

d) Truncation

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 int

c) long double

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) Assignment operator

b) equal to operator

c) None

d) Address operator

13 / 89

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

a) Operators

b) Operation code

c) Identifier

d) Syntax

14 / 89

14. which of the following is valid assignment statement

a) c=a+b

b) all

c) x=c-d+10

d) a=100

15 / 89

15. Associativity is either right to left or

a) Back to front

b) Top to bottom

c) left to right

d) Low to High

16 / 89

16. the right side of an assignment statement can be

a) An expression

b) A variable

c) all

d) A constant

17 / 89

17. the left side of an assignment statement holds

a) variable

b) constant

c) expression

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) variable=constant

b) constant=value

c) constant=varaible

d) None

20 / 89

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

a) >

b) *

c) +

d) =

21 / 89

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

a) someChar = "A"

b) someChar = A;

c) someChar =’A’;

d) None

22 / 89

22. const, double and int and examples of:

a) Comments

b) None

c) Directives

d) Reserved Words

23 / 89

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

a) 53.0

b) 54.0

c) 52.0

d) 51.0

24 / 89

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

a) 12

b) 14

c) 16

d) 11

25 / 89

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

a) None

b) | |

c) &&

d) !

26 / 89

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

a) 0

b) 1.11

c) 11

d) 0.27

27 / 89

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

a) 0

b) 0.9

c) 3.6

d) 2

28 / 89

28. Which of the following has the highest precedence

a) None

b) &&

c) | |

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) 0

b) None

c) 5

d) 3

31 / 89

31. Precedence determines which operator:

a) is most important

b) is used first

c) operates on largest number

d) is faster

32 / 89

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

a) 2

b) 1

c) 4

d) 3

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) Division

b) Multiplication

c) Exponentiation

d) Integer remainder

36 / 89

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

a) #

b) %

c) /a

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) Perform a Calculation

b) Display the results of a calculation

c) Both a and b.

d) Store the results of a calculation

40 / 89

40. The only binary operator in the following is.

a) —

b) –

c) ++

d) +

41 / 89

41. All of the following are valid expressions EXCEPT:

a) Sales – Profit

b) Pi* Radius

c) Mile, Gallons

d) M/n

42 / 89

42. Comments are written at

a) Bottom

b) Top

c) Anywhere

d) Middle

43 / 89

43. Comments are written inside these symbol

a) //

b) /##/

c) /**/

d) /{}/

44 / 89

44. An expression consists

a) Constant

b) Arithmetic operators

c) all

d) Variable

45 / 89

45. An expression consists of

a) None

b) Operand

c) Operators and Operand

d) Operators

46 / 89

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

a) 16

b) 8

c) 2

d) 4

47 / 89

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

a) 0 to 256

b) -32768 to +32767

c) 65536 to +65536

d) None

48 / 89

48. A character constant must be enclosed in:

a) Single Quotes (`)

b) Pound Sign (#)

c) Quotation marks ("’)

d) Exclamation sign (!)

49 / 89

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

a) ‘A’

b) `$`

c) ‘9’

d) All

50 / 89

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

a) Digits

b) Characters

c) All

d) Special characters

51 / 89

51. Which of the following constant definitions is correct

a) constant LENGTH=6.5;

b) const float PRICE= 3,500;

c) const float COST = $700.0;

d) constant MY_HEIGHT 60 / 12;

52 / 89

52. Which of the following statements is correct?

a) string black = ‘white’;

b) float numl; num2;

c) int day, night;

d) int continue = 5.0;

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) All

b) int x=50, r=75;

c) int n=100;

d) char grade=`a`;

55 / 89

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

a) none

b) initializing

c) assiging

d) naming

56 / 89

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

a) char

b) float

c) none

d) int

57 / 89

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

a) int marks;

b) All

c) int a,b,c;

d) double salary;

58 / 89

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

a) semicolon

b) colons

c) commas

d) pipes

59 / 89

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

a) variable name

b) data type

c) variable name and data type

d) keyword

60 / 89

60. which of the following statement is NOT legal

a) char ch=“cc“:

b) char ch=65;

c) char ch=`b`;

d) char ch=`0`;

61 / 89

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

a) 6.15

b) 0.758

c) 150000.0

d) 0.21

62 / 89

62. Another way to write the value 3452211903 is

a) 3.452211903×09

b) 3.452211903e09

c) 3.452211903e-09

d) 3452211903e09

63 / 89

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

a) none

b) char

c) int

d) float

64 / 89

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

a) 2

b) none

c) 1

d) 12

65 / 89

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

a) none

b) float

c) string

d) char

66 / 89

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

a) Significance

b) Range

c) Precision

d) Scpe

67 / 89

67. The exponential notation consists of:

a) Exponent and Mantiissa

b) Mantissa

c) None

d) Range

68 / 89

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

a) Logic error

b) Syntax error

c) System error

d) Overflow

69 / 89

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

a) 16

b) 12

c) 8

d) None

70 / 89

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

a) None

b) 4

c) 12

d) 2

71 / 89

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

a) real data

b) character data

c) integer data

d) integral data

72 / 89

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

a) None

b) char

c) long

d) float

73 / 89

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

a) Non-Integral datatype

b) Non-numeric data types

c) Integer datatype

d) None

74 / 89

74. An integer variable can store the value:

a) 32898

b) -1.1

c) "123"

d) 5.5

75 / 89

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

a) None

b) 8

c) 2

d) 12

76 / 89

76. Which is a numeric data type?

a) none

b) float

c) int and float

d) int

77 / 89

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

a) Char

b) None

c) Int

d) Float

78 / 89

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

a) VariableType

b) Datatype

c) None

d) VariableName

79 / 89

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

a) none

b) MyInt

c) Return

d) MyInteger

80 / 89

80. which of the following are valid variable names?

a) Integer

b) None

c) notlongenough

d) Integer and notlongenough

81 / 89

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

a) none

b) Number

c) Uppercase-letter

d) return

82 / 89

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

a) Letter

b) Underscore

c) None

d) Period

83 / 89

83. a+=b is equivalent to

a) b=b+a

b) a=+b

c) a=a+b

84 / 89

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

a) None

b) The variable declaration also defines the variable

c) Every program must be compiled before execution

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

85 / 89

85. Which of the following operators has lowest precedence?

a) None

b) =

c) +

d) !

86 / 89

86. Which of the following is a valid character constant

a) None

b) ‘6’

c) a.

d) "Hello"

87 / 89

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

a) Constant

b) None

c) Keyboard

d) Variable

88 / 89

88. Variables are created in:

a) ROM

b) None

c) RAM

d) Hard disk

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) \ f

b) \ r

c) \ t

d) \ y

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) \ c

b) \ b

c) \ f

d) \ del

4 / 29

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

a) None

b) {

c) \

d) //

5 / 29

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

a) scanf

b) gets()

c) getch()

d) All

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) \m

c) \a

d) \b

8 / 29

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

a) / a

b) None

c) \ b

d) / t

9 / 29

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

a) \ b

b) / t

c) \ h

d) \ a

10 / 29

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

a) \a

b) \n

c) None

d) \b

11 / 29

11. An ampersand before the name of a variable denotes

a) Address

b) Variable Name

c) Data Type

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) Center-justified in ten character space

c) None

d) Right justified in ten-character space

13 / 29

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

a) None

b) Center-justified in ten character space

c) Left-justified in ten-character space

d) Right justified in ten-character space

14 / 29

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

a) /

b) *

c) L

d) –

15 / 29

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

a) % m.nf

b) rrf n%

c) None

d) m%.nf

16 / 29

16. he format specifier for output are:

a) %d for int and %f for float

b) %s for string

c) %c for char

d) All

17 / 29

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

a) Variable

b) Format specifier

c) Ordinary characters

d) None

18 / 29

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

a) All

b) space

c) –

d) +

19 / 29

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

a) %c

b) %d

c) %f

d) %s

20 / 29

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

a) %s

b) %c

c) %d

d) %f

21 / 29

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

a) %s

b) %d

c) %c

d) %f

22 / 29

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

a) %s

b) %d

c) %f

d) %c

23 / 29

23. Format specifier is started with symbol:

a) ?

b) %

c) %

d) None

24 / 29

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

a) Field width

b) Data type

c) Format of the value

d) All of these

25 / 29

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

a) Two

b) One

c) Many

d) Ten

26 / 29

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

a) None

b) unsigned long int

c) unsigned float

d) unsigned short

27 / 29

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

a) pow

b) printf

c) None

d) scanf

28 / 29

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

a) math.h

b) stdio.h

c) math.h

d) conio.h

29 / 29

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

a) printf

b) get()

c) None

d) scanf

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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) last

b) default

c) stop

d) end

2 / 35

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

a) float

b) int

c) char

d) a or b

3 / 35

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

a) float

b) int 3

c) char

d) a or b

4 / 35

4. The expression may be:

a) Logical

b) a or b

c) Relational

d) Compound

5 / 35

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

a) 10

b) 50

c) 15

d) 3

6 / 35

6. Conditional operator is an-alternative of

a) nested if

b) if

c) if-else

d) None

7 / 35

7. switch statement is an alternative of:

a) nested if-else

b) None

c) nested if

d) if-else

8 / 35

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

a) None

b) if-else

c) nested if

d) if

9 / 35

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

a) ( )

b) ?

c) ++

d) if

10 / 35

10. Conditional operator takes…………operands.

a) 3

b) 0

c) 2

d) 1

11 / 35

11. Another term for a conditional operator is:

a) Ternary

b) Byte

c) Binary

d) None

12 / 35

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

a) p < q

b) p > q

c) None

d) !(p < q)

13 / 35

13. The Case block ends with:

a) break

b) End Case

c) None

d) End Select

14 / 35

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

a) None

b) Once for each Case

c) 1

d) 0

15 / 35

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

a) case 1.5:

b) case ‘ab’:

c) case 1:

d) case x<4:

16 / 35

16. Graphical representation of a program is called:

a) Binary chart

b) Logical chart

c) Flowchart

d) E-R chart

17 / 35

17. Which keyword is not used in switch statement?

a) switch

b) if

c) default

d) case

18 / 35

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

a) All

b) while

c) switch

d) if

19 / 35

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

a) Relational Results

b) Logical Operator

c) Logical Results

d) Relational Operator

20 / 35

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

a) A relational operator

b) A branched if statement

c) A conditional operator

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) Sequence structure

d) Compound statement

22 / 35

22. In if statement, true is represented by

a) 3

b) 2

c) 1

d) 0

23 / 35

23. In if statement, false is represented by:

a) 0

b) 3

c) 2

d) 1

24 / 35

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

a) else

b) switch

c) default

d) if

25 / 35

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

a) If statement

b) Try…Catch…Finally

c) Nested if

d) Select…Case

26 / 35

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

a) None

b) <0

c) 1

d) 0

27 / 35

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

a) Relational operators

b) Syntax operators

c) Logical operators

d) Syntax operators

28 / 35

28. You can use a decision statement to:

a) Run a statement if a test fails

b) Test if a condition is true or false

c) Test a series of conditions

d) All of the these

29 / 35

29. Relational operators allow you to numbers.

a) Add

b) Compare

c) Multiply

d) Divide

30 / 35

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

a) Sequential

b) Operational

c) Serial

d) Relational

31 / 35

31. Which programming structure makes a comparison?

a) Decision

b) Sequence

c) Relation

d) Repetition

32 / 35

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

a) Sequential

b) Iteration

c) Repetition

d) Selection

33 / 35

33. Which programming structure executes program statements in order?

a) Repetition

b) Sequence

c) Relation

d) Decision

34 / 35

34. The three programming structures are:

a) Sequence, decision, and repetition

b) Relation, comparison, and process

c) Process, decision, and alternation

d) Sequence, definition, and process

35 / 35

35. The three programming structures are:

a) Process, decision, and alternation

b) Sequence, definition, and process

c) Relation, comparison, and process

d) Sequence, decision, and repetition

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Rawalpindi Board 2nd year Computer Science Chapter 12

/35

0 votes, 0 avg

RWP_2ND_CS_12

Rawalpindi Board 2nd year Computer Science Chapter 12

1 / 35

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

a) {}

b) condition

c) semi-colon;

d) colon :

2 / 35

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

a) -> and <-

b) (and)

c) begin and end

d) {}

3 / 35

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

a) Outside the body of loop

b) None

c) Inside the loop body

d) Outside the program

4 / 35

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

a) colon :

b) Comma ,

c) equal=

d) Semi colon ;

5 / 35

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

a) three

b) six

c) four

d) five

6 / 35

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

a) Semi colon ;

b) equal=

c) Comma ,

d) colon :

7 / 35

7. The keyword ‘break’ cannot be used within

a) while

b) do-while

c) if-else

d) for

8 / 35

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

a) When x is equal to one hundred

b) When x is greater than one hundred

c) None

d) When x is less than one hundred

9 / 35

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

a) Comma ,

b) Right brace

c) Semi colon ;

d) Right bracket I

10 / 35

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

a) Comma ,

b) Semi.colon ;

c) Right brace}

d) Right bracket I

11 / 35

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

a) The terminating condition.occurs unexpectedly

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

c) The program will be executed at least once

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

12 / 35

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

a) The termination condition is known in advance

b) The loop should be executed at least once

c) The loop should be executed only once

d) The number of iterations is not known in advance

13 / 35

13. Which of the following is a loop statement?

a) None

b) if-else

c) switch

d) if

14 / 35

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

a) while loop

b) for loop

c) All

d) do-while loop

15 / 35

15. while loop is also called:

a) wend loop

b) Conditional loop

c) Counter loop

d) Continuous loop

16 / 35

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

a) While

b) infinite

c) do-while

d) for

17 / 35

17. This means to increase a value by one:

a) Inc

b) Decrement

c) Increment

d) Modulus

18 / 35

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

a) continue

b) terminate

c) next

d) break

19 / 35

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

a) Increment/ decrement

b) Recalling

c) Validation

d) Assignment

20 / 35

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

a) sentinel value

b) input value

c) Terminal value

d) loop control value

21 / 35

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

a) break

b) switch

c) goto

d) continue

22 / 35

22. The loop which never ends is called:

a) Nested loop

b) Infinite loop

c) Running loop

d) Continuous loop

23 / 35

23. A loop within-a loop is called:

a) Dual loop

b) Complex loop

c) Nested loop

d) Infinite loop

24 / 35

24. This statement causes a loop to terminate early?

a) terminated

b) a and b

c) exit

d) break

25 / 35

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

a) while

b) do-while

c) nested

d) for

26 / 35

26. Which of the following loop is called counter loop

a) for

b) None

c) do-while

d) while

27 / 35

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

a) b and c

b) while loop

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) do-while loop

c) while loop

d) for loop

29 / 35

29. Which loop structure lire always executes at least Once

a) while

b) all

c) for

d) do-while

30 / 35

30. Where should be the loop control variable initialized?

a) None

b) Anywhere in the loop body

c) Before the loop starts

d) In the last statement of the loop body

31 / 35

31. A counter can be defined as:

a) None

b) a variable that counts loop iterations

c) the final value of loop

d) the step value of a loop

32 / 35

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

a) while

b) for

c) do-while

d) All

33 / 35

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

a) 3

b) 1

c) 2

d) 6

34 / 35

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

a) Test

b) Cycle

c) Duration

d) Iteration

35 / 35

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

a) Logical

b) decision statement

c) Loop

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) none

b) Type

c) Header

d) Name

2 / 34

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

a) It can return integer value only

b) It can return one value only

c) It cannot be used in a function

d) It cannot return any value

3 / 34

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

a) User-defined

b) Subroutines

c) built-in function

d) Subprograms

4 / 34

4. Local variables are also called:

a) Automatic variables

b) Basic variables

c) Normal variable

d) none

5 / 34

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

a) Compiler

b) Loader

c) Parser

d) Linker

6 / 34

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

a) none

b) Transfer control to the main function

c) Stops the execution of the program

d) Transfer control to the called function

7 / 34

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

a) External variable

b) Static variable

c) Global variable

d) Local variable

8 / 34

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

a) none

b) Automatic variable

c) Local variable & Automatic variable

d) Local variable

9 / 34

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

a) none

b) Local variable

c) Automatic variable

d) Global variable

10 / 34

10. The scope of a variable refers to its:

a) Data type

b) Name

c) none

d) Accessibility

11 / 34

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

a) return

b) give

c) continue

d) none

12 / 34

12. Multiple arguments to a function are separated by:

a) Commas

b) Comments

c) none

d) Colons

13 / 34

13. The parameters in function declaration are called:

a) Formal parameters

b) Returned parameters

c) Actual parameters

d) none

14 / 34

14. Which of the following is incorrect?

a) A function must have at least one value parameter

b) none

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

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

15 / 34

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

a) Expression

b) Function

c) none

d) Parameter

16 / 34

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

a) Both a and b

b) The control returns back to the calling function

c) none

d) All statements in the function body are executed

17 / 34

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

a) Function definition

b) Function call

c) none

d) Function output

18 / 34

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

a) Arguments

b) Function body

c) none

d) Function header

19 / 34

19. The function definition consists of:

a) Function body & Function declaration

b) none

c) Function body

d) Function header or function declaration

20 / 34

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

a) Filtering

b) Sending

c) Passing

d) Delivering

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) All of these

b) After main() function

c) Before main() function

d) none

23 / 34

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

a) none

b) Same name and same parameters

c) Same name but different parameters

d) Same parameters

24 / 34

24. Function declaration consists of:

a) Function return type

b) All of these

c) Number and types of parameters

d) none

25 / 34

25. A built-in function:

a) none

b) can be redefined

c) Cannot be redefine

d) Cannot return a value

26 / 34

26. The printf is a:

a) none

b) User-defined function

c) Built-in function

d) Local function

27 / 34

27. Formal arguments are also called:

a) none

b) Actual arguments

c) Referenced argument

d) Dummy arguments

28 / 34

28. The name of actual and formal parameters:

a) May or may not be same

b) Must be same

c) Must be different

d) none

29 / 34

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

a) none

b) Declaration

c) Definition

d) Destruction

30 / 34

30. Global variables are created in:

a) Hard disk

b) ROM

c) RAM

d) none

31 / 34

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

a) Source file

b) Header file

c) Image files

d) Object files

32 / 34

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

a) Sub-program

b) Library function

c) User-defined function

d) none

33 / 34

33. Another name for built-in function is:

a) User-defined function

b) none

c) Library function

d) Arithmetic function

34 / 34

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

a) User-defined

b) Built-in

c) Built-in & User-defined

d) none

Your score is

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Rawalpindi Board 2nd year Computer Science Chapter 14

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Rawalpindi Board 2nd year Computer Science Chapter 14

1 / 20

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

a) none

b) fputs(

c) putc(

d) fputch(

2 / 20

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

a) puts( )

b) putc( )

c) getc( )

d) none

3 / 20

3. Which of the following are file handling functions?

a) fprintf( ) & make()

b) make()

c) fprintf( )

d) none

4 / 20

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

a) strpce

b) strp

c) none

d) strcpy

5 / 20

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

a) /0

b) \a

c) \0

d) \n

6 / 20

6. An array script should be:

a) An Array

b) int

c) float

d) double

7 / 20

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

a) NULL

b) FILE pointer

c) 0 (Zero)

d) 1 (One)

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) Variable

b) Union

c) Structure

d) Array

10 / 20

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

a) Multiplication

b) Variable

c) Pointer

d) none

11 / 20

11. The f open() function uses parameters.

a) 5

b) 3

c) 2

d) 4

12 / 20

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

a) W+

b) W

c) r

d) r+

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) none

b) Object file

c) Exe file

d) Text file

15 / 20

15. A streamis a interface to a file.

a) Parallel

b) none

c) Serial

d) Logical

16 / 20

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

a) End

b) Close

c) none

d) Stop

17 / 20

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

a) Open

b) none

c) Ready

d) New

18 / 20

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

a) Binary stream

b) Input device

c) none

d) Text stream

19 / 20

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

a) "r+"

b) "w+"

c) "w"

d) none

20 / 20

20. A file is stored in?

a) Hard disk

b) ROM

c) RAM

d) none

Your score is

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Rawalpindi Board 2nd year Computer Science Chapter 14

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