Computer Knowledge Practice Question and Answer

Q:

What is the main constituent of a pearl?

3316 0

  • 1
    Calcium carbonate and magnesium carbonate
    Correct
    Wrong
  • 2
    Calcium sulphate only
    Correct
    Wrong
  • 3
    Calcium oxide and calcium sulphate
    Correct
    Wrong
  • 4
    Calcium carbonate only
    Correct
    Wrong
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Answer : 4. "Calcium carbonate only "

Q:

One nibble is equivalent to how many bits? 

2508 0

  • 1
    2
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 2. "4"

Q:

The smallest unit of data in computer is ________________  

23850 3

  • 1
    Byte
    Correct
    Wrong
  • 2
    Nibble
    Correct
    Wrong
  • 3
    Bit
    Correct
    Wrong
  • 4
    KB
    Correct
    Wrong
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Answer : 3. "Bit "

Q:

Inventor of WWW is……….

4262 2

  • 1
    Bill Gates
    Correct
    Wrong
  • 2
    Lee.N.Feyog
    Correct
    Wrong
  • 3
    N.Resscl
    Correct
    Wrong
  • 4
    Tim Berners lee
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 4. "Tim Berners lee"

Q:

The set of instructions which tells a computer what to do is called…….

4323 2

  • 1
    matter
    Correct
    Wrong
  • 2
    instructor
    Correct
    Wrong
  • 3
    compiler
    Correct
    Wrong
  • 4
    program
    Correct
    Wrong
  • 5
    debugger
    Correct
    Wrong
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Answer : 4. "program"

Q:

The ……………..control communications for the entire computer system.

4713 3

  • 1
    Arithmetic logic unit
    Correct
    Wrong
  • 2
    Semiconductor
    Correct
    Wrong
  • 3
    Motherboard
    Correct
    Wrong
  • 4
    Coprocessor
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 3. "Motherboard"

Q:

…………… is the process of dividing the disk into tracks and sectors.

2551 2

  • 1
    Tracking
    Correct
    Wrong
  • 2
    Formatting
    Correct
    Wrong
  • 3
    Crashing
    Correct
    Wrong
  • 4
    Allotting
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 2. "Formatting "

Q:

OCR stands for………..

2301 1

  • 1
    Optical Character Recognition
    Correct
    Wrong
  • 2
    Optical CPU Recognition
    Correct
    Wrong
  • 3
    Optimal Character Recognition
    Correct
    Wrong
  • 4
    Other Character Recognition
    Correct
    Wrong
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Answer : 1. "Optical Character Recognition"

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