Computer Knowledge Practice Question and Answer

Q:

Which of the following statements is true?
 (I) Primary storage units have faster access time and less storage capacity than secondary storage units.
 (II) Primary storage units have sequential access.
 (III) Secondary storage units are non-volatile storage.

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  • 1
    (I) and (II) only
    Correct
    Wrong
  • 2
    (I) and (III) only
    Correct
    Wrong
  • 3
    (II) and (III) only
    Correct
    Wrong
  • 4
    All (I), (II) and (III)
    Correct
    Wrong
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Answer : 2. "(I) and (III) only"
Explanation :

All of the following statements are true.

(I) Primary storage units have faster access time and less storage capacity than secondary storage units.

(II) Secondary storage units are non-volatile storage.

Q:

Can it be kept in a cell of Microsoft Excel?

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  • 1
    Number
    Correct
    Wrong
  • 2
    Text
    Correct
    Wrong
  • 3
    Formula
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 4. "All of the above "
Explanation :

Can be placed in a cell of Microsoft Excel.

- Number

- Text

- Formula

Q:

Which of the following supports wireless communication ?

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  • 1
    GPRS
    Correct
    Wrong
  • 2
    Co-Axial Cable
    Correct
    Wrong
  • 3
    Optical Fiber
    Correct
    Wrong
  • 4
    Twisted Pair Wire
    Correct
    Wrong
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Answer : 1. "GPRS "

Q:

SSO is the short form of-

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  • 1
    Single Sight On
    Correct
    Wrong
  • 2
    Single sign On
    Correct
    Wrong
  • 3
    Service Selection On
    Correct
    Wrong
  • 4
    Single Service On
    Correct
    Wrong
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Answer : 2. "Single sign On"

Q:

What are the two types of output devices?

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  • 1
    Windows XP 3 Linux
    Correct
    Wrong
  • 2
    Floppy and CD
    Correct
    Wrong
  • 3
    Keyboard and mouse
    Correct
    Wrong
  • 4
    Monitor and Printer
    Correct
    Wrong
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Answer : 4. "Monitor and Printer"
Explanation :

An output device is a computer hardware device that displays or reproduces information processed by a computer in human-readable form. Output devices usually receive information from the computer through an input device, such as a mouse or keyboard.

Some examples of output devices include-

1. Monitor: A monitor is a visual output device that displays images generated by a computer.

2. Printer: A printer is a physical output device that prints computer-generated documents on paper.

3. Speaker: A speaker is an audio output device that reproduces the sound produced by the computer.

4. Headphone: A headphone is a personal audio output device that reproduces the sound generated by a computer solely for the user to hear.

5. Projector: A projector is similar to a monitor, but it projects images onto a larger screen.

6. GPS Device: A GPS device is an output device that displays its current location to the user on a map or other view.

7. Braille Reader: A Braille reader is an output device that displays computer-generated information in Braille for visually impaired people.

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:

Suppose you are working on a worksheet named “Sheet1″ and you want to sum the value of cell A to A10 in the worksheet named “Sheet3″ then the correct formula in MS Excel 2010 is:

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  • 1
    =SUM(Sheet3iAI:A10
    Correct
    Wrong
  • 2
    =SUM (AL: A10)
    Correct
    Wrong
  • 3
    =Sheet3SAI:A1O
    Correct
    Wrong
  • 4
    =SUMSHEET3 (A1: A10)
    Correct
    Wrong
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Answer : 1. "=SUM(Sheet3iAI:A10"

Q:

 Cannot insert ...... in mspowerpoint 2010 slide.

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  • 1
    Mathematical Equations
    Correct
    Wrong
  • 2
    video file
    Correct
    Wrong
  • 3
    audio file
    Correct
    Wrong
  • 4
    Modem
    Correct
    Wrong
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Answer : 4. "Modem"

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