Tuesday, 18 February, 2025

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MCQ for Computer Operator [1-100] Nepal

1.   In which generation transistor is used?

a] 1st
b] 2nd
c] 3rd
d] 4th

 

2.   Which device cannot be shared in network?

a] Floppy                                      

b] Keyboard

c] Computer

d] Printer

 

3.   Which port does not exist in computer?

a] USB

b] Parallel

c] COM1 / COM2

d] None of above

 

4.   1 nibble contains ………….. bit.

a] 8 bits

b] 3 bits

c] 1 byte

d] 4 bits

 

5.   Which device will process data?

a] RAM                                         

b] CUP

c] Hard disk

d] All of the above

 

6.   Data store in….

a] Floppy

b] Hard disk

c] Tape

d] All of the above

 

7.   One nanosecond means

a] 10–6 seconds

b] 10–9 seconds

c] 10–12 seconds

d] 10–15 seconds

 

8.   The decimal equivalent of binary (1011) is …………

a] 13

b] 10

c] 11

d] 14

 

9.   The scanner is the ……….. device of computer system

a] input

b] output

c] input output

d] processing

 

10. Pentium means the ……….. of computer

a] ALU

b] Microprocessor

c] Monitor

d] Memory

 

11. What is the name of given to the first generation of computer language?

a] Binary language

b] Machine language

c] Primary language

d] Natural language

 

12. Compiler and interpreter are themselves………

a] Hardware

b] Program

c] Virus

d] None of the above

 

13. Which of the following is mass storage device?

a] CDROM

b] Hard disk

c] Tape

d] All of the above

 

14. A single byte consists of …………

a] 4 bits
b] 16 bits

c] 8 bits

d] 7 bits

 

15. The main basic block of a computer system consist of ………

a] Input, output, CUP and memory     

b] Input, output, storage and user     

c] RAM, ROM, Floppy and UPS

d] RAM, hard disk, keyboard and monitors

 

16. According to the working principle computer is divided as …………..

a] Analog computer

b] Digital computer

c] Hybrid computer

d] All of the above

 

17. What is modem?

a] Analog and digital converter

b] Modulator and demodulator

c] Telephone switching

d] None of the above

 

18. 1MB corresponds to …….

a] 1024 bytes                                

b] 1024 terabytes

c] 1020 kilobytes

d] 1024 gigabytes

 

19. 1GB corresponds to ………

a] 1024 MB

b] 1024 byte

c] 1020 TB

d] 1024 GB

 

20. There are …………. types of language processor.

a] 1

b] 2

c] 3

d] 4

 

21. Which of the following is an input device?

a] VDU

b] Joystick

c] Plotter

d] Printer

 

22. A translator used in low level language is ………

a] Compiler 

b] Interpreter

c] Assembler  

d] All of the above

 

23. Which of the following is not an output device?

a] Speaker

b] Monitor

c] Digitizer

d] Plotter

 

24. Which of the following is soft copy output device?

a] Speaker

b] Monitor

c] Digitizer

d] Plotter

 

25. 1KB …………. bytes

a] 1024

b] 1000

c] 1024×1024

d] All of the above

 

26. Before booting the computer, the system files reside on …..

a] RAM

b] ROM

c] Hard disk

d] Floppy

 

27. The processing elements of fifth generation of computer is ……….

a] AI

b] Organic chip

c] Duo core

d] Micro Processor

 

28. The printing quality measures in resolution and resolution measures in ……

a] DPI

b] PPM

c] Pixel

d] RPI

 

29. MO disk is ….

a] Optical Disk

b] Magnetic Disk

c] Semiconductor Disk

d] Based on optical and magnetic technology

 

30. The output quality of the ………. is better than other.

a] CRT monitor

b] LCD monitor

c] Laptop monitor

d] None of the above

 

31. The ……….. translates the source code into machine code

a] Translator

b] Assembler

c] Compiler

d] Interpreter

 

32. Which number system uses the both number and character to represent number?

a] Binary

b] Octal

c] Decimal

d] Hexadecimal

 

33. The device used in geographical mapping is

a] Bar code

b] Plotter

c] Digitizer

d] Scanner

 

34. The size of the first floppy disk was

a] 9 inch

b] 8 inch

c] 5.25 inch

d] 3.5 inch

 

35. Monitor is

a] VDU

b] TV

c] VUD

d] None of the above

 

36. DDR stands for ………

a] Double data rate

b] Double density rate

c] Density data rate

d] All of the above

 

37. Which is the function of ROMBIOS?

a] POST operation

b] Boot startup operation

c] Bootstrap loading

d] Both a and b

 

38. An input device used in bank is ……..

a] POS

b] MICR

c] OMR

d] OCR

 

39. The number of sector per track in high density floppy disk is ….

a]  9

b] 15

c] 18

d] 36

 

40. The signal computer used in most of the output device is ….

a] Decoders

b] Modems

c] Gates 

d] Multiplexer

 

41. The name of the chip will be applied for dynamic and high power computing based on very latest technology.

a] Microprocessor

b] Biochip

c] Robot Chip

d] Ultra chip

 

42. The full form of PDA is

a] Personal Digital Assistant

b] Personal Diary Assistant

c] Personal Data Assistant

d] Professional Data Assistant

 

43. The quality of printer depends upon

a] Technology

b] Price

c] Resolution

d] All of the above

 

44. Large data bus width causes

a] Transmit data faster

b] Faster computing

c] Slow execution

d] All of the above

 

45. Which is the following is the universal gate …… ?

a]  AND gate

b] OR gate

c] NAND gate

d] NOT gate

 

46. The writing method in CDROM is called

a] Copying

b] Burning

c] Embedding

d] None of the above

 

47. The system date is in ………. data format.

a] ANSI

b] British

c] American

d] International

 

48. Which of the following term is not closely related to auxiliary memory?

a] Non volatile

b] Permanent

c] Both a and b

d] Temporary

 

49. Which of the following is not a type of ROM?

a] PROM

b] Flash memory

c] EPROM

d] Virtual memory

 

50. Which is considered as the direct entry input device?

a] Optical scanner

b] Mouse and digitizer

c] Light pen

d] All of the above

 

51. Which is not a characteristic of computer?

a] Speed

b] Accuracy

c] Diligent

d] Understanding

 

52. Intelligent PROM stands for ………

a] Programming Read Only Memory  

b] Programmable Read Only Memory

c] Package Read Only Memory

d] Programmable Read On Memory

 

53. Which of the following is not a mass storage device?

a] CDROM

b] RAM

c] Hard Disk

d] Tape

 

54. In computer all calculations performed are made in ….. unit.

a] Control unit

b] Memory

c] Arithmetic and Logical unit

d] Register

 

55.  Which of the following memory has the shortest access time?

a] Cache memory

b] Register

c] Auxiliary RAM

d] External Hard Disk

 

56. Which is not system software?

a] Windows OS

b] Translator

c] Emulator

d] Excel

 

57. Which of the following is the acronym for electronic delay storage
automatic calculator?

a] UNIVAC

b] EDSAC

c] EDVAC

d] Abacus

 

58. Which one is the slowest access memory among the following?

a] Disk

b] RAM

c] Cache memory

d] Register

 

59. The speed of laser printer is measured in …….

a] LPM

b] CPS

c] DPS

d] PPM

 

60. MVS stands for

a] Many very large system

b] Multi value system

c] Multiple virtual storage

d] None of the above

 

61. Hard disk is coated with ………

a] Magnetic metallic oxide

b] Optical metallic oxide

c] Carbon layer

d] All of the above

 

62. Program designed to perform specific user task is known as …..

a] System software

b] Application software

c] Utility software

d] Operating system

 

63. A computer program that translates one program instructions at a time into machine language is called a/an

a] Interpreter  

b] CPU

c] Compiler

d] Simulator

 

64. A device that operates under the control of another device is called ………..

a] Stem

b] Slave

c] Simulator

d] Emulator

 

65. Daisy wheel printer is a type of

a] Matrix Printer

b] Impact Printer

c] Laser Printer

d] Manual Printer

 

66. Computer is an ……….. machine

a] Electrician

b] Mechanical

c] Engineering

d] Electronic

 

67. The process of starting or restarting a computer system by loading
system files from a secondary storage device into the computer memory is called

a] Paging

b] Booting

c] Swapping

d] Loading

 

68.  Which is not system software?

a] Microsoft Word

b] Microsoft Windows

c] Device driver

d] Hard disk recovers utility

 

69. If your computer reports that a file has a size of one kilobyte, then how much space is using?

a] 8 bytes

b] 1024 bytes

c] 1048576 bytes

d] All of the above

 

70. Which of these is a pointing device?

a] Laser printer

b] Touch pad

c] Keyboard

d] Decimal point

 

71. Which is the magnetic storage device?

a] CD

b] DVD

c] Pen drive

d] None of the above

 

72. Which is not a input device?

a] Touch screen

b] Mouse

c] Screen

d] MIDI

 

73. Which of the following is not a microcomputer?

a] Desktop

b] Laptop

c] Mainframe

d] Hand held PC

 

74. A personal computer is a ……….

a] Micro computer

b] Terminal

c] Personal digital assistant

d] Mainframe

 

75. Which component are you unlikely to find as part of a Motherboard?

a] ROM

b] CPU

c] CMOS Memory

d] CD-ROM

 

76. A computer must be capable of doing all of these things except….

a] Electrolyze data

b] Output data

c] Process data

d] Store data

 

77. You could measure a microprocessor’s clock speed of recent computer in …..

a] Computer procedure unit

b] Hertz

c] Bits per second

d] Gigahertz

 

78. High data accuracy produced by ……. computer

a] Analog

b] Digital

c] Hybrid

d] None of the above

 

79. Which one of the following is the oldest storage device?

a] Paper tape

b] Magnetic tape

c] Magnetic disk

d] Magnetic core

 

80. The communication port is used for ……..

a] Mouse connection

b] Printer connection

c] Modem connection

d] Monitor connection

 

81. Modem is connected with……

a] Parallel port

b] Serial port

c] USB

d] Com port

 

82. Which of the following is the low level language?

a] Assembly

b] Machine

c] Both a and b

d] Natural language

 

83. Which one is removable disk?

a] Zip disk

b] Pen drive

c] Floppy disk

d] All of the above

 

84. The capacity of compact disk is …….

a] 100KB

b] 250MB

c] 700 MB

d] 2000MB

 

85. Which is not hardware?              

a] Keyboard

b] Mouse

c] Printer

d] CD

 

86. The content of which ROM can be erased by supplying electric charge?

a] PROM

b] EPROM

c] EEPROM

d] EAPROM

 

87. The ABACUS was originated from ……

a] China

b] Korea

c] Japan

d] USA

 

88. SMPS stands for ………

a] Switching mode power supply  

b] Switch mode power supply

c] System mode power station

d] None of the above

 

89. Antivirus program falls on ………… category

a] System software

b] Application software

c] Utility software

d] All of the above

 

90. Which is not a basic type of computer?

a] Super computer

b] Digital computer

c] Analog

d] Hybrid

 

91. Linkage between the CPU and users is called …….

a] Software

b] Hardware

c] Peripheral

d] Storage

 

92. The DVD is a/an …….. Disk.

a] Magnetic

b] Semiconductor

c] Magneto optical

d] Optical

 

93. Which is not direct entry input device?

a] Keyboard

b] Scanner

c] Barcode reader

d] OMR

 

94. The mnemonic code was used in ………..

a] 1GL

b] 2GL

c] 3GL

d] 4GL

 

95. Which will product high graphic quality print out?

a] Laser

b] Plotter

c] Dot matrix

d] Inkjet

 

96. How many types of different devices that supported by USB port?

a] 40

b] 65

c] 100

d] 127

 

97. Which one is the component of computer system?

a] Hardware

b] Software

c] Human ware

d] All of the above

 

98. What is the name for parallel communication pathway that connects different hardware components physically into computer system?

a] Cable                                        

b] Line

c] Bus

d] Peripheral

 

99. Which electronic component was concerned for emerging the third generation computer?

a] Vacuum tubes

b] IC

c] Transistors

d] VLSI

 

100. Which of the following two computers have the same architecture?

a] IBM and Macintosh

b] IBM Compatible and apple

c] IBM and Apple/Macintosh

d] IBM and IBM Compatible

 

Thank You!