Correct Answer is: Provides a layered, user-friendly interface

Correct Answer is: Modulator Demodulator

Correct Answer is: bus topology

Correct Answer is: A logical error in a program

Computer Basics MCQ Multiple Choice Questions - Page 2 for Practice

Q: 16. Operating system is

Correct Answer is: A collection of software routines

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

Correct Answer is: Multiprogramming

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

Correct Answer is: Mega bits per sec

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

Correct Answer is: Operation code

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

Correct Answer is: syntax error

Q: 25. C programming language is

Correct Answer is: A third generation high level language

Computer Basics MCQ Questions for Practice

16. Operating system is

A collection of hardware components
A collection of software routines
A collection of input-output devices
None of the above

17. Operating system

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

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

Multiprocessing
Time sharing
Multiprogramming
None of the above

19. Modem stands for

A type of secondary memory
Modulator Demodulator
Mainframe operating device memory
Audio Device

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

Bits per sec
Kilo bits per sec
Mega bits per sec
Giga bits per sec

21. Ethernet uses

bus topology
star topology
ring topology
mesh topology

22. Bug means

A logical error in a program
Documenting programs using an efficient documentation too
A difficult syntax error in a program
none of the above

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

Operation code
Address
Operand
None

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

syntax error
semantic error
logical error
none

25. C programming language is

an assembly language
A third generation high level language
A machine language
none

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

speaker which beeps
joystick
plotter
ALU

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

Bus
Line
Media
Star

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

RAM
ROM
PROM
EPROM

29. Example of non-numerical data is

examination score
employee address
bank balance
employee number

30. One thousand bytes represent a

Megabyte
Gigabyte
Kilobyte
None of the above