COMPUTER KNOWLEDGE #21
MULTIPLE CHOICE QUESTIONS
1. What
is UNIVAC?
(a) Universal Automatic Computer
(b) Universal Array Computer
(c) Unique Automatic Computer
(d) Unvalued Automatic Computer
Answer:
(a)
2. What
are the basic operations performed by a computer?
(a) Arithmetic operation
(b) Logical operation
(c) Storage and relative
(d) All the above
Answer:
(d)
3. What
are the two major types of computer chips?
(a) External memory chip
(b) Primary memory chip
(c) Microprocessor chip
(d) Both ‘b’ and ‘c’
Answer:
(d)
4. Microprocessors
as switching devices are for which generation computers?
(a) First generation
(b) Second generation
(c) Third generation
(d) Fourth generation
Answer:
(d)
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
Answer:
(c)
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
Answer:
(a)
7. Which
is the brain of any computer system?
(a) ALU
(b) Memory
(c) CPU
(d) Control unit
Answer:
(c)
8. Storage
capacity of magnetic disk depends on which of the following?
(a) Tracks per inch of surface
(b) Bits per inch of tracks
(c) Disk pack in disk surface
(d) All of the above
Answer:
(d)
9. What
are the two kinds of main memory?
(a) Primary and secondary
(b) Random and sequential
(c) ROM and RAM
(d) All of the above
Answer:
(c)
10. What
is the storage area used to store data to a compensate for the difference in
speed at which the different units can handle data?
(a) Memory
(b) Buffer
(c) Accumulator
(d) Address
Answer:
(b)
11. Computer
is free from tiresome and boardroom. We call it which of the following?
(a) Accuracy
(b) Reliability
(c) Diligence
(d) Versatility
Answer:
(c)
12. Integrated
Circuits (ICs) are related to which generation of computers?
(a) First generation
(b) Second generation
(c) Third generation
(d) Fourth generation
Answer:
(c)
13. What
is a CD-ROM?
(a) Semiconductor memory
(b) Memory register
(c) Magnetic memory
(d) None of the above
Answer:
(d)
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
Answer:
(c)
15. Which
type of computers uses the 8-bit code called EBCDIC?
(a) Minicomputers
(b) Microcomputers
(c) Mainframe computers
(d) Super computer
Answer:
(c)
16. The
ALU of a computer responds to the commands coming from which of the following?
(a) Primary memory
(b) Control section
(c) External memory
(d) Cache memory
Answer:
(b)
17. Which
was the chief component of first generation computer?
(a) Transistors
(b) Vacuum Tubes and Valves
(c) Integrated Circuits
(d) None of the above
Answer:
(b)
18. What
would you want to use to produce high quality graphics (hardcopy) in colour?
(a) RGB monitor
(b) Plotter
(c) Ink-jet printer
(d) Laser printer
Answer:
(b)
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
Answer:
(c)
20. Which
of the following IC was used in third generation of computers?
(a) SSI
(b) MSI
(c) LSI
(d) Both ‘a’ and ‘b’
Answer:
(d)
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