Computer Awareness Practice Question and Answer

Q:

How many bytes are equal to one kilobyte? 

9149 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:

What is the function of a MODEM? 

1063 0

  • 1
    Converts analog signals to digital and vice - versa
    Correct
    Wrong
  • 2
    Serves as a hardware anti - virus
    Correct
    Wrong
  • 3
    Encryption & Decryption
    Correct
    Wrong
  • 4
    Converts data to voice and vice - versa
    Correct
    Wrong
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Answer : 1. "Converts analog signals to digital and vice - versa "

Q:

Which of the following are the cheapest memory devices in terms of cost/bit? 

1776 0

  • 1
    Magnetic Tapes
    Correct
    Wrong
  • 2
    Compact Disk
    Correct
    Wrong
  • 3
    Semiconductor Memories
    Correct
    Wrong
  • 4
    Magnetic Disk
    Correct
    Wrong
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Answer : 2. "Compact Disk "

Q:

Which of the following is not a type OS bus? 

5110 0

  • 1
    Control bus
    Correct
    Wrong
  • 2
    Software bus
    Correct
    Wrong
  • 3
    Data bus
    Correct
    Wrong
  • 4
    Address bus
    Correct
    Wrong
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Answer : 2. "Software bus "

Q:

The shortcut key for “Replace” is?

1498 0

  • 1
    Shift + H
    Correct
    Wrong
  • 2
    Shift + Ctrl + R
    Correct
    Wrong
  • 3
    Ctrl + R
    Correct
    Wrong
  • 4
    Ctrl + H
    Correct
    Wrong
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Answer : 4. "Ctrl + H "

Q:

Which is the first computer language developed to program?

466 0

  • 1
    FORTRAN
    Correct
    Wrong
  • 2
    COBOL
    Correct
    Wrong
  • 3
    PASCAL
    Correct
    Wrong
  • 4
    none of these
    Correct
    Wrong
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Answer : 1. "FORTRAN"

Q:

On what principle does a digital computer work?

1220 0

  • 1
    Count
    Correct
    Wrong
  • 2
    Measurement
    Correct
    Wrong
  • 3
    Electric
    Correct
    Wrong
  • 4
    Logical
    Correct
    Wrong
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Answer : 1. "Count"

Q:

In what respect are supercomputers different from other computers?

1090 1

  • 1
    very high price
    Correct
    Wrong
  • 2
    air conditioning problem
    Correct
    Wrong
  • 3
    Calculation capacity and large memory storage
    Correct
    Wrong
  • 4
    Multiple uses
    Correct
    Wrong
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Answer : 3. "Calculation capacity and large memory storage"

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