Computer Knowledge Practice Question and Answer

Q: Which of the following virus overtake computer system, when it boots and destroy information  ? 11273 7

  • 1
    System infectors
    Correct
    Wrong
  • 2
    Trojan
    Correct
    Wrong
  • 3
    Stealth virus
    Correct
    Wrong
  • 4
    Boot infectors
    Correct
    Wrong
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Answer : 3. "Stealth virus"
Explanation :

Answer: C) Stealth virus Explanation:

Q:

_____are devices used to transmit data over telecommunications lines. 

10834 0

  • 1
    Drives
    Correct
    Wrong
  • 2
    Drive bays
    Correct
    Wrong
  • 3
    Modems
    Correct
    Wrong
  • 4
    Platforms
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 3. "Modems"

Q:

Which one of the following converts assembly language into machine language? 

10786 2

  • 1
    Algorithm
    Correct
    Wrong
  • 2
    Interpreter
    Correct
    Wrong
  • 3
    Compiler
    Correct
    Wrong
  • 4
    Assembler
    Correct
    Wrong
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Answer : 4. "Assembler "

Q:

Another name for computer chip is? 

10741 0

  • 1
    Microchip
    Correct
    Wrong
  • 2
    Motherboard
    Correct
    Wrong
  • 3
    CPU
    Correct
    Wrong
  • 4
    Microprocessor
    Correct
    Wrong
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Answer : 1. "Microchip"

Q:

Processor has three main parts?

10417 6

  • 1
    ALU, Control Unit and RAM
    Correct
    Wrong
  • 2
    ALU, Control Unit and Register
    Correct
    Wrong
  • 3
    Cash, control unit and register
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 1. "ALU, Control Unit and RAM"

Q: There can be many ways to insert page number in a document. Which of the following lets you insert page number? 10094 5

  • 1
    Page number from insert menu
    Correct
    Wrong
  • 2
    Page setup from file menu
    Correct
    Wrong
  • 3
    Footnote from Insert menu
    Correct
    Wrong
  • 4
    Both a & c
    Correct
    Wrong
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Answer : 1. "Page number from insert menu"

Q:

How many bytes are equal to one kilobyte? 

9964 4

  • 1
    1050
    Correct
    Wrong
  • 2
    1000
    Correct
    Wrong
  • 3
    976
    Correct
    Wrong
  • 4
    1024
    Correct
    Wrong
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Answer : 4. "1024 "

Q:

Which of the following is a part of the system unit?

9839 1

  • 1
    CPU
    Correct
    Wrong
  • 2
    Monitor
    Correct
    Wrong
  • 3
    CD-ROM
    Correct
    Wrong
  • 4
    Floppy Disk
    Correct
    Wrong
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Answer : 1. "CPU"

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