60 computer MCQs with answers
60 computer MCQs with answers
1-A 2-D 3-D 4-D 5-C 6-A 7-C 8-D 9-C 10-B
11-C 12-C 13-D 14-C 15-C 16-B 17-B 18-B 19-C 20-D
21-B 22-D 23-C 24-B 25-A 26-B 27-B 28-A 29-B 30-D
31-B 32-D 33-A 34-A 35-A 36-D 37-A 38-C 39-B 40-B
41-C 42-B 43-C 44-D 45-C 46-A 47-B 48-D 49-A 50-B
51-D 52-B 53-B 54-D 55-C 56-C 57-C 58-C 59-B 60-B
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 is
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 supercomputer?
A) Supercomputer is much larger than mainframe computers
B) Supercomputers 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 a 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 the above
9. The two kinds of main memory are:
A) Primary and secondary B) Random and sequential C) ROM and
RAM
D) All of the 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) the Third generation
D) Fourth generation
13. CD-ROM is a
A) Semiconductor memory
B) Memory register C) Magnetic memory D) None of the above
14. A hybrid computer
A) Resembles digital computer
B) Resembles an 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) Supercomputer
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 the above
18. To produce high-quality graphics (hardcopy)
in colour, 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 the third
generation of computers?
A) SSI
B) MSI C) LSI
D) Both a and b
21. The main electronic component used in first
generation computers were
A) Transistors
B) Vacuum Tubes and Valves
C) Integrated Circuits
D) None of the above
22. A dumb terminal has
A) an embedded microprocessor
B) extensive memory
C) independent processing capability
D) a keyboard and screen
23. One millisecond is
A) 1 second
B) 10th of a seconds
C) 1000th of a seconds
D) 10000th of a seconds
24. The output quality of a printer is measured
by
A) Dot per sq. inch
B) Dot per inch
C) Dots printed per unit time
D) All of the above
25. Which of the following was a special
purpose computer?
A) ABC
B) ENIAC C) EDVAC
D) All of the above
26. What was the computer invented by
Attanasoff and Clifford?
A) Mark I B) ABC
C) Z3
D) None of the above
27. Which of the following storage devices can
store the maximum amount of data?
A) Floppy Disk
B) Hard Disk
C) Compact Disk
D) Magneto Optic Disk
28. Which computer was considered the first
electronic computer until 1973 when the court invalidated the patent?
A) ENIAC B) MARK I C) Z3
D) ABC
29. A physical connection between the
microprocessor memory and other parts of the microcomputer is known as
A) Path
B) Address bus
C) Route
D) All of the above
30. High-density double-sided floppy disks
could store of data
A) 1.40 MB B) 1.44 GB C) 1.40 GB D) 1.44 MB
31. A high-quality CAD system uses the
following for printing drawing and graphs
A) Dot matrix printer
B) Digital plotter
C) Line printer
D) All of the above
32. Which of the following is not an input
device?
A) OCR
B) Optical scanners
C) Voice recognition device
D) COM (Computer Output to Microfilm)
33. The accuracy of the floating-point numbers
representable in two 16-bit words of a computer is approximately
A) 16 digits B) 6 digits C) 9 digits
D) All of the above
34. In most of the IBM PCs, the CPU, the device
drivers, memory, expansion slots and active components are mounted on a single
board. What is the name of the board?
A) Motherboard
B) Daughterboard
C) Breadboard
D) Fatherboard
35. In most IBM PCs, the CPU, the device
drives, memory expansion slots and active components are mounted on a single
board. What is the name of this board?
A) Motherboard
B) Breadboard
C) Daughterboard
D) Grandmother board
36. Magnetic disks are the most popular medium
for
A) Direct access
B) Sequential access
C) Both of the above
D) None of the above
37. A technique used by codes to convert an
analogue signal into a digital bitstream is known as
A) Pulse code modulation
B) Pulse stretcher
C) Query processing
D) Queue management
38. Regarding a VDU, Which statement is more
correct?
A) It is an output device
B) It is an input device
C) It is a peripheral device
D) It is a hardware item
39. A modern electronic computer is a machine
that is meant for
A) Doing quick mathematical calculations
B) Input, storage, manipulation and outputting of data
C) Electronic data processing
D) Performing repetitive tasks accurately
40. When was vacuum tube invented?
A) 1900
B) 1906
C) 1910
D) 1880
41. Which of the following produces the best
quality graphics reproduction?
A) Laser printer B) Ink jet printer C) Plotter
D) Dot matrix printer
42. Computers with 80286 microprocessor is
A) XT computer B) AT computers C) PS/2 computer D) None of
above
43. An application suitable for sequential
processing is
A) Processing of grades
B) Payroll processing
C) Both a and b
D) All of the above
44. Which of the following is not processing?
A) arranging
B) manipulating
C) calculating
D) gathering
45. The digital computer was developed
primarily in
A) USSR B) Japan C) USA D) the UK
46. Software in
computer
A) Enhances the capabilities of the hardware machine
B) Increase the speed of the central processing unit
C) Both of the above
D) None of the above
47. Today’s computer giant IBM was earlier
known by a different name which was changes in 1924. What was that name?
A) Tabulator Machine Co.
B) Computing Tabulating Recording Co. C) The Tabulator Ltd.
D) International Computer Ltd.
48. Before a disk drive can access any sector
record, a computer program has to provide the record’s disk address. What the information does this address specify?
A) Track number
B) Sector number C) Surface number D) All of the above
49. The arranging of data in a logical sequence
is called
A) Sorting
B) Classifying
C) Reproducing
D) Summarizing
50. What is the responsibility of the logical
unit in the CPU of a computer?
A) To produce a result
B) To compare numbers
C) To control the flow of information
D) To do math’s works
51. Abacus was the first
A) electronic computer
B) mechanical
computer
C) electronic
calculator
D) mechanical calculator
52. If in a computer, 16 bits are used to
specify the address in a RAM, the number of addresses will be
A) 216
B) 65,536
C) 64K
D) Any of the above
53. Instructions and memory address are
represented by
A) Character code
B) Binary codes
C) Binary word
D) Parity bit
54. The terminal device that functions as a
cash register, computer terminal, and OCR reader is the:
A) Data collection terminal
B) OCR register terminal C) Video Display terminal D) POS
terminal
55. A set of flip flops integrated together is
called
A) Counter
B) Adder
C) Register
D) None of the above
56. People often call as the brain of the computer system
A) Control Unit
B) Arithmetic Logic Unit
C) Central Processing Unit
D) Storage Unit
57. Which is used for manufacturing chips?
A) Bus
B) Control unit
C) Semiconductors
D) A and b only
58. The value of each bead in heaven is
A) 1
B) 3
C) 5
D) 7
59. The first computer introduced in Nepal was
A) IBM 1400
B) IBM 1401
C) IBM 1402
D) IBM1402
60. Mnemonic a memory trick is used in which of
the following language?
A) Machine language B) Assembly language C) High-level
language D) None of the above
Introduction to computer MCQs with answers
Answer
1-A 2-D 3-D 4-D 5-C 6-A 7-C 8-D 9-C 10-B
11-C 12-C 13-D 14-C 15-C 16-B 17-B 18-B 19-C 20-D
21-B 22-D 23-C 24-B 25-A 26-B 27-B 28-A 29-B 30-D
31-B 32-D 33-A 34-A 35-A 36-D 37-A 38-C 39-B 40-B
41-C 42-B 43-C 44-D 45-C 46-A 47-B 48-D 49-A 50-B
51-D 52-B 53-B 54-D 55-C 56-C 57-C 58-C 59-B 60-B