Computer MCQs (Set-I)
Important & Selected Computer MCQs for
All Competitive Exams (Set-I)
1. UNIVAC is
A) Universal Automatic Computer
B) Universal Array Computer
C) Unique Automatic Computer
D) Unvalued Automatic Computer
2. The basic operations performed by a computer are
A) Arithmetic operation
B) Logical operation
C) Storage and relative
D) All the above
3. The two major types of computer chips are
A) External memory chip
B) Primary memory chip
C) Microprocessor chip
D) Both b and c
4. Microprocessors as switching devices are for which generation computers
A) First Generation
B) Second Generation
C) Third Generation
D) Fourth Generation
5. What is the main difference between a mainframe and a super computer?
A) Super computer is much larger than mainframe computers
B) Super computers are much smaller than mainframe computers
C) Supercomputers are focused to execute few programs as fast as possible while mainframe uses its
power to execute as many programs concurrently
D) Supercomputers are focused to execute as many programs as possible while mainframe uses its power to
execute few programs as fast as possible.
6. ASCII and EBCDIC are the popular character coding systems. What does EBCDIC stand for?
A) Extended Binary Coded Decimal Interchange Code
B) Extended Bit Code Decimal Interchange Code
C) Extended Bit Case Decimal Interchange Code
D) Extended Binary Case Decimal Interchange Code
7. The brain of any computer system is
A) ALU
B) Memory
C) CPU
D) Control unit
8. Storage capacity of magnetic disk depends on
A) tracks per inch of surface
B) bits per inch of tracks
C) disk pack in disk surface
D) All of above
9. The two kinds of main memory are:
A) Primary and secondary
B) Random and sequential
C) ROM and RAM
D) All of above
10. A storage area used to store data to a compensate for the difference in speed at which the different units
can handle data is
A) Memory
B) Buffer
C) Accumulator
D) Address
11. Computer is free from tiresome and boardroom. We call it
A) Accuracy
B) Reliability
C) Diligence
D) Versatility
12. Integrated Circuits (Ics) are related to which generation of computers?
A) First generation
B) Second generation
C) Third generation
D) Fourth generation
13. CD-ROM is a
A) Semiconductor memory
B) Memory register
C) Magnetic memory
D) None of above
14. A hybrid computer
A) Resembles digital computer
B) Resembles analogue computer
C) Resembles both a digital and analogue computer
D) None of the above
15. Which type of computers uses the 8-bit code called EBCDIC?
A) Minicomputers
B) Microcomputers
C) Mainframe computers
D) Super computer
16. The ALU of a computer responds to the commands coming from
A) Primary memory
B) Control section
C) External memory
D) Cache memory
17. Chief component of first generation computer was
A) Transistors
B) Vacuum Tubes and Valves
C) Integrated Circuits
D) None of above
18. To produce high quality graphics (hardcopy) in color, you would want to use a/n
A) RGB monitor
B) Plotter
C) Ink-jet printer
D) Laser printer
19. What are the stages in the compilation process?
A) Feasibility study, system design and testing
B) Implementation and documentation
C) Lexical Analysis, syntax analysis, and code generation
D) None of the above
20. Which of the following IC was used in third generation of computers?
A) SSI
B) MSI
C) LSI
D) Both a and b
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