Computer Knowledge Practice Question and Answer

Q:

Who Invented the computer mouse?

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  • 1
    Douglas Engelbart
    Correct
    Wrong
  • 2
    Federico Faggin
    Correct
    Wrong
  • 3
    Gene Dolgoff
    Correct
    Wrong
  • 4
    Brendan Eich
    Correct
    Wrong
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Answer : 1. "Douglas Engelbart"

Q:

Which computer is called personal computer?

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  • 1
    Micro computer
    Correct
    Wrong
  • 2
    Mini computer
    Correct
    Wrong
  • 3
    Mainframe computer
    Correct
    Wrong
  • 4
    Super computer
    Correct
    Wrong
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Answer : 1. "Micro computer"

Q:

Cache memory is an example of which of the following? 

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  • 1
    Static Random Access Memory
    Correct
    Wrong
  • 2
    Secondary Memory
    Correct
    Wrong
  • 3
    Virtual Memory
    Correct
    Wrong
  • 4
    Non Volatile Memory
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "Static Random Access Memory "

Q:

What is the maximum number of characters in the file name?

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  • 1
    256 characters
    Correct
    Wrong
  • 2
    156 characters
    Correct
    Wrong
  • 3
    356 characters
    Correct
    Wrong
  • 4
    1024 characters
    Correct
    Wrong
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Answer : 1. "256 characters"
Explanation :

1. The maximum number of characters a cell can contain in a worksheet is 256.

2. A file is a container in a computer system that stores data, information, settings, or commands, used with a computer program.

3. In graphical user interfaces (GUI), such as Microsoft operating systems, files are represented as icons that are associated with the program that opens the file.

Q:

There are two types of main memory.

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  • 1
    primary and secondary
    Correct
    Wrong
  • 2
    random and sequential
    Correct
    Wrong
  • 3
    ROM and RAM
    Correct
    Wrong
  • 4
    all of the above
    Correct
    Wrong
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Answer : 3. "ROM and RAM"

Q:

Of the units mentioned in the options, which one is the largest as compared to the others?

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  • 1
    Hecto
    Correct
    Wrong
  • 2
    Deca
    Correct
    Wrong
  • 3
    Tera
    Correct
    Wrong
  • 4
    Giga
    Correct
    Wrong
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Answer : 3. "Tera"
Explanation :

1. Among the options, terabyte represents the largest amount of data.

2. Computer memory is usually measured in bytes.

3. The storage capacity of a hard disk is measured in megabytes, gigabytes and terabytes.

Q:

An example of an output device is:

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  • 1
    Scanner
    Correct
    Wrong
  • 2
    plotter
    Correct
    Wrong
  • 3
    tape
    Correct
    Wrong
  • 4
    Software
    Correct
    Wrong
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Answer : 2. "plotter"

Q:

What is the shortcut key to copy the format of specific text using Format Painter in MS Word 2010?

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  • 1
    Ctrl + Shift + C
    Correct
    Wrong
  • 2
    Ctrl + Alt +
    Correct
    Wrong
  • 3
    Ctrl + Alt + F
    Correct
    Wrong
  • 4
    Ctrl + Shift + 1
    Correct
    Wrong
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Answer : 2. "Ctrl + Alt +"

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