Computer Knowledge Practice Question and Answer

Q:

The place in a computer, where the OS, application programs and data in current use are kept so that they can be quickly reached by the computer processor, it is called _________? 

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  • 1
    TRASH
    Correct
    Wrong
  • 2
    Access control list
    Correct
    Wrong
  • 3
    ROM
    Correct
    Wrong
  • 4
    RAM
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 4. "RAM "

Q:

Which type of memory improves processing by acting as a temporary high-speed holding area between the memory and the CPU?

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  • 1
    Cache memory
    Correct
    Wrong
  • 2
    Flash memory
    Correct
    Wrong
  • 3
    RAM
    Correct
    Wrong
  • 4
    ROM
    Correct
    Wrong
  • 5
    PROM
    Correct
    Wrong
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Answer : 1. "Cache memory "

Q:

By computer process ............... are converted into information.

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  • 1
    Data
    Correct
    Wrong
  • 2
    Number
    Correct
    Wrong
  • 3
    Processor
    Correct
    Wrong
  • 4
    Input
    Correct
    Wrong
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Answer : 1. "Data"

Q:

Which symbol is used to separate the username of an email address from that of an ISP?

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  • 1
    @
    Correct
    Wrong
  • 2
    &
    Correct
    Wrong
  • 3
    $
    Correct
    Wrong
  • 4
    #
    Correct
    Wrong
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Answer : 1. "@"
Explanation :

The "@" symbol is used to separate the username of an email address from the domain name of the Internet Service Provider (ISP) or email service provider. For example, in the email address "username@example.com," "username" is the username of the email account, and "example.com" is the domain name of the email service provider, separated by the "@" symbol.

Q:

Reverts the changes made by the undo command back to the previous state?

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  • 1
    Undo command
    Correct
    Wrong
  • 2
    redo command
    Correct
    Wrong
  • 3
    Both A and B
    Correct
    Wrong
  • 4
    Shift
    Correct
    Wrong
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Answer : 2. "redo command"

Q:

A program that places programs into main memory and prepares them for execution____.

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  • 1
    Linker
    Correct
    Wrong
  • 2
    Assembler
    Correct
    Wrong
  • 3
    Loader
    Correct
    Wrong
  • 4
    Absolute entity
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 3. "Loader"

Q:

Computer is a device that does not get tired and does not get bored, hence it is called -

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  • 1
    accuracy
    Correct
    Wrong
  • 2
    reliability
    Correct
    Wrong
  • 3
    Diligence
    Correct
    Wrong
  • 4
    Versatility
    Correct
    Wrong
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Answer : 3. "Diligence"

Q:

Which of the following is contained on chips connected to the system board and is a holding area for data instructions and information?

701 0

  • 1
    program
    Correct
    Wrong
  • 2
    mouse
    Correct
    Wrong
  • 3
    Internet
    Correct
    Wrong
  • 4
    memory
    Correct
    Wrong
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Answer : 4. "memory"

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