Multiple Choice Questions on Computer Science. Computer Science is an important subject and this post contains Solved Computer MCQs for NTS, PPSC and other Testing services. These Computer Science MCQs with Answers are for practice and preparation. MCQs are taken from Caravan General Knowledge Book.
1. The input for a compiler is ______?
(a) Object code
(b) Source program
(c) Machine language
(d) Assembler
2. The output of a compiler is ______?
(a) Object code
(b) Source program
(c) Machine language
(d) Assembler
3. The input of an interpreter is ______?
(a) Object code
(b) Source program
(c) Machine language
(d) Program statement
4. The capacity of computer bus depends upon _______?
(a) Capacity of CPU
(b) Capacity of the microprocessor
(c) The number of data lines it contains
(d) The system software
5. Computer buses are as _____?
(a) Data and control
(b) Address and data
(c) Address, data and control
(d) There is no concept of buses in computer system
6. A bus with 32 data line can transport how many bits at a time_____?
(a) 8 bits
(b) 16 bits
(c) 1024 bits
(d) 32 bits
7. A group of parallel wires which provides an electrical path between CPU, memory and other devices is called____?
(a) Processing
(b) Input devices
(c) BUS
(d) Software
8. The link between I/O devices and system board is provided by_____?
(a) Main memory
(b) Secondary memory
(c) Port
(d) Communication software
9. The peripheral devices used to get information for the computer are called_____?
(a) Simple devices
(b) Hardware devices
(c) Output device
(d) Digital device
10. WORM stands for______?
(a) Write once read many
(b) Writable on ROM
(c) The writer of Random Memory
(d) The writer of Read-only Memory
11. Which of the tracks of hard disk does not contain data?
(a) Every track contains data
(b) The middletrack
(c) Each alternating track of the hard disk
(d) The top and bottom track
12. Which one of the followings is referred to as “volatile memory”?
(a) Read only memory
(b) Random access memory
(c) Flash memory
(d) Cache memory
13. The surface of a hard disk is logically divided into _____?
(a) Firmware
(b) SIMMs
(c) Physically marking tracks
(d) Pie-shaped sectors
14. The capacity of a hard disk depends upon the______?
(a) High-speed motor
(b) Movement of readlwrite head
(c) Complexity of software
(d) Number of disk platters stacked
15. The Involution law says that double complementation has ______?
(a) Positive effect
(b) Absorption effect
(c) Addition effect
(d) Cancellation effect
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