Computer F.Sc

Q: A program intended to damage computer system without the user's knowldege or permission is known as

(a) :  Assembler
(b) :  Computer games
(c) :  Computer virus
(d) :  Compiler
(e) :  None
Answer:  Computer virus

Q: Amount of time required for the memory to perform a read or write operation and then return to its original state ready for the next operation is known as

(a) :  Access time
(b) :  Cycle time
(c) :  Clock time
(d) :  I/O time
(e) :  None
Answer:  Cycle time

Q: In C. how many characters are significant for a variable name

(a) :  8
(b) :  16
(c) :  31
(d) :  1024
(e) :  None
Answer:  31

Q: In C language , Variable name must being with

(a) :  a letter or underscore
(b) :  a digit
(c) :  any special character
(d) :  Ox
(e) :  None
Answer:  a letter or underscore

Q: Pick up the invalid variable name

(a) :  Net-Pay
(b) :  Amjad
(c) :  3M
(d) :  RNO
(e) :  None
Answer:  3M

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