Computer Basics Multiple Choice Questions and Answers for Practice

16. Operating system is

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

17. Operating system

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

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

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

19. Modem stands for

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

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

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

21. Ethernet uses

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

22. Bug means

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

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

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

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

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

25. C programming language is

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

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

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

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

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

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

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

29. Example of non-numerical data is

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

30. One thousand bytes represent a

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