Computer Knowledge Practice Question and Answer

Q:

Which of the following is a pointing device

1251 0

  • 1
    Hard disk
    Correct
    Wrong
  • 2
    CD-ROM drive
    Correct
    Wrong
  • 3
    Touch screen used for computer input.
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "Touch screen used for computer input."

Q:

Which of the following is a data warehouse?

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  • 1
    It can be updated by the end user.
    Correct
    Wrong
  • 2
    There are many naming conventions and formats in it.
    Correct
    Wrong
  • 3
    Organize around important subject areas.
    Correct
    Wrong
  • 4
    They contain only current data.
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 3. "Organize around important subject areas."

Q:

What is the purpose of an e-public distribution system?

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  • 1
    Providing food grains to the poor at low rates
    Correct
    Wrong
  • 2
    Providing houses to the poor
    Correct
    Wrong
  • 3
    Providing medical facilities to the poor
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 1. "Providing food grains to the poor at low rates"
Explanation :

1. In India, an e-Public Distribution System or e-Public Distribution System (ePDS) has been developed to deal with food shortage and through this, food grains are distributed to the poor people of the society at affordable prices.

2. The Centre's allocation of grains to the states depends on the availability of grains in the central stocks and the average grain purchased by the states in the last three years.

3. The main commodities available under this benefit are – wheat, rice, sugar and kerosene.

Q:

Which command is used to open the word pad?

1248 0

  • 1
    Win key + r
    Correct
    Wrong
  • 2
    Winkey + p
    Correct
    Wrong
  • 3
    Winkey + w
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 4. "None of these"
Explanation :

1. WordPad is a word processor software included with Windows 95 and later, up to Windows 11.

2. WordPad does not have to be installed in the system.

3. WordPad comes inbuilt installed with the Windows operating system.

Q:

Which of the following is not an image/graphic file format?

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  • 1
    PNG
    Correct
    Wrong
  • 2
    GIF
    Correct
    Wrong
  • 3
    BMP
    Correct
    Wrong
  • 4
    GI
    Correct
    Wrong
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Answer : 4. "GI"
Explanation :

1. GUI or graphic user interface has nothing to do with graphic files because it is a type of interface that interacts through visual indicators such as graphical icons and secondary notation, unlike text-based interfaces, type command labels or text navigation. Provides facility to do.

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:

Animation like effect when you M.S. Moving from slide to slide during a slide show in PowerPoint 2010.

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  • 1
    Control effect
    Correct
    Wrong
  • 2
    Bar graph
    Correct
    Wrong
  • 3
    slide transition
    Correct
    Wrong
  • 4
    slide background
    Correct
    Wrong
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Answer : 3. "slide transition"
Explanation :

1. Animation like effect when you use MS. Transition from one slide to another during a slide show in PowerPoint 2010.

2. First of all, select the slides in which the transition effect is to be added.

3. Click on the Slide Transition option in the Slide Show menu available in the menu bar, which opens the Slide Transition dialogue box.

5. The desired speed of the transition effect is set using the Slow, Medium or Fast option button.

Q:

What protocols have been developed to provide signaling control for establishing video conferencing technology?

1238 0

  • 1
    session initiation protocol and H.323
    Correct
    Wrong
  • 2
    Section Internet Protocol and H.223
    Correct
    Wrong
  • 3
    session internet parameters and P.323
    Correct
    Wrong
  • 4
    session internet protocol and P.223
    Correct
    Wrong
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Answer : 1. "session initiation protocol and H.323 "

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