Computer Knowledge Practice Question and Answer

Q:

Which of the following is a special key ? 

693 0

  • 1
    Ctrl
    Correct
    Wrong
  • 2
    Esc
    Correct
    Wrong
  • 3
    Insert
    Correct
    Wrong
  • 4
    All of these
    Correct
    Wrong
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Answer : 4. "All of these"

Q:

A memory device in which a location is identified by its content rather than by name is known as _____?

693 0

  • 1
    Associative storage
    Correct
    Wrong
  • 2
    Punched card
    Correct
    Wrong
  • 3
    Buffer
    Correct
    Wrong
  • 4
    Magnetic tape
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "Associative storage "

Q:

How many bits are there in hexadecimal code:

692 0

  • 1
    16
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
  • 5
    32
    Correct
    Wrong
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Answer : 1. "16"

Q:

What is the data going into the computer called?

691 0

  • 1
    Algorithm
    Correct
    Wrong
  • 2
    Input
    Correct
    Wrong
  • 3
    Output
    Correct
    Wrong
  • 4
    Calculations
    Correct
    Wrong
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Answer : 2. "Input"

Q:

What does PSK mean in the context of passport application?

691 0

  • 1
    Public Help Center
    Correct
    Wrong
  • 2
    Public Service Center
    Correct
    Wrong
  • 3
    Passport Seva Kendra
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "Passport Seva Kendra"

Q:

 What is the use of freeze pan command in MS Excel 2010?

691 0

  • 1
    To copy formatting from one area in a worksheet and apply it to another area
    Correct
    Wrong
  • 2
    To keep row and column titles fixed so that they do not scroll as you scroll the worksheet
    Correct
    Wrong
  • 3
    To formulate
    Correct
    Wrong
  • 4
    To make charts
    Correct
    Wrong
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Answer : 2. "To keep row and column titles fixed so that they do not scroll as you scroll the worksheet"

Q:

When was the first operating system developed?

687 0

  • 1
    1994
    Correct
    Wrong
  • 2
    1949
    Correct
    Wrong
  • 3
    1950
    Correct
    Wrong
  • 4
    1951
    Correct
    Wrong
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Answer : 3. "1950"

Q:

What is extension of plain text file?

687 0

  • 1
    .text
    Correct
    Wrong
  • 2
    .tt
    Correct
    Wrong
  • 3
    .txt
    Correct
    Wrong
  • 4
    .tx
    Correct
    Wrong
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Answer : 3. ".txt"

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