Computer Basics MCQs Quiz Multiple Choice Questions & Answers

1. The Central Processing Unit

1. controls all input, output and processing
2. is operated from the control panel.
3. is controlled by the input data entering the system
4. controls the auxiliary storage unit

2. Computer follows a simple principle called GIGO which means:

1. good input good output
2. garbage input good output
3. garbage in garbage out
4. great instructions great output

3. The term ‘baud’ is a measure of the:

1. all of the above
2. speed at which data travels over the communication line
3. memory capacity
4. instruction execution time

4. A bootstrap is:

1. an error correction technique
2. a memory device
3. a device to support the computer
4. a small initialisation program to start up a computer

5. Which of the following is not hardware:

1. Assembler
2. Magnetic tape
3. Printer
4. VDU terminal

6. The access method used for magnetic tape is

1. none of the above
2. direct
3. random
4. sequential

7. The difference between memory and storage is that the memory is __________ and storage is _________

1. Fast, Slow
2. Temporary, Permanent
3. Permanent, Temporary
4. Slow, Fast

8. Which of the Following holds the ROM, CPU, RAM and expansion cards

1. None
2. Hard Disk
3. Floppy Disk
4. Motherboard

9. The language that the computer can understand and execute is called ______

1. System program
2. Machine Language
3. Assembly Language
4. Application Software

10. Which of the following devices can be used to directly input printed text

1. DISC
2. OCR
3. OMR
4. MICR

11. A floppy disk contains

1. None of the above
2. Circular tracks only
3. Sectors only
4. Both circular tracks and sectors

12. CD-ROM is a

1. None of the above
2. Semiconductor memory
3. Memory register
4. Magnetic memory

13. Actual execution of instructions in a computer takes place in

1. Mothrboard
2. ALU
3. Control unit
4. Storage unit

14. Which of the following is used as a primary storage device

1. CD ROM
2. Magnetic tape
3. PROM
4. Floppy disk

15. Information retrieval is faster from

1. None of the above
2. CD ROM
3. Floppy Disk
4. Hard Disk

16. Operating system is

1. None of the above
2. A collection of hardware components
3. A collection of software routines
4. A collection of input-output devices

17. Operating system

1. None of the above
2. Link a program with the subroutines it references
3. Provides a layered, user-friendly interface
4. Enables a programmer to draw a flowchart

18. Execution of two or more programs by a single CPU is known as

1. None of the above
2. Multiprocessing
3. Time sharing
4. Multiprogramming

19. Modem stands for

1. Audio Device
2. A type of secondary memory
3. Modulator Demodulator
4. Mainframe operating device memory

20. Typical data transfer rate in LAN are of the order of

1. Giga bits per sec
2. Bits per sec
3. Kilo bits per sec
4. Mega bits per sec

21. Ethernet uses

1. mesh topology
2. bus topology
3. star topology
4. ring topology

22. Bug means

1. none of the above
2. A logical error in a program
3. Documenting programs using an efficient documentation too
4. A difficult syntax error in a program

23. The part of machine level instruction, which tells the central processor what was to be done is

1. None
2. Operation code
3. Address
4. Operand

24. The errors that can be pointed out by the compiler are

1. none
2. syntax error
3. semantic error
4. logical error

25. C programming language is

1. none
2. an assembly language
3. A third generation high level language
4. A machine language

26. Which of the following does not represent on I/O device

1. ALU
2. speaker which beeps
3. joystick
4. plotter

27. The communication line between the CPU, memory and peripherals is called a

1. Star
2. Bus
3. Line
4. Media

28. Memories which can be read only are called………….. memories

1. EPROM
2. RAM
3. ROM
4. PROM

29. Example of non-numerical data is

1. employee number
2. examination score
3. employee address
4. bank balance

30. One thousand bytes represent a

1. None of the above
2. Megabyte
3. Gigabyte
4. Kilobyte

31. A step by step procedure used to solve a problem is called

1. none of the above
2. Operating system
3. Algorithm
4. Application programm

32. A computer cannot “boot” if it does not have the

1. Assembler
2. Compiler
3. Loader
4. Operating system