FPSC Computer MCQ from 81 to 85.

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81. A primary key that consists of more than one attribute is called a
(A) Foreign key
(B) Composite key
(C) Multivalued key
(D) Global key

82. An attribute in database is also known as
(A) Tuple
(B) Relation
(C) Row
(D) Field

83. C language was developed by
(A) Van Neumann
(B) Dennis Ritchie
(C) Charles Babbage
(D) John Backus

84. A space in computer’s memory set aside for some data that can be changed is called
(A) Variable
(B) Constant
(C) Integer
(D) Floating Point

85. Which of the following components is used to convert first .c to first .exe?
(A) Compiler and header
(B) Header and linker
(C) Compiler and linker
(D) Compiler only

ANSWERS: FPSC COMPUTER MCQ
81. (B) Composite key
82. (D) Field
83. (B) Dennis Ritchie
84. (A) Variable
85. (C) Compiler and linker Next: Computer MCQs 86–90