Computer Knowledge Practice Question and Answer

Q:

Why is clrscer() used?

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  • 1
    to erase
    Correct
    Wrong
  • 2
    to clear the message from the screen
    Correct
    Wrong
  • 3
    to store
    Correct
    Wrong
  • 4
    for all of the above
    Correct
    Wrong
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Answer : 2. "to clear the message from the screen"
Explanation :

The clrscr in C is a built-in function that is used for clearing the screen of the console output during the execution of the C program. This function is defined in the conio. h header file. We need to include the “conio.

Q:

When is Rajasthan Information Technology Day celebrated?

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  • 1
    March 21
    Correct
    Wrong
  • 2
    March 22
    Correct
    Wrong
  • 3
    April 21
    Correct
    Wrong
  • 4
    April 22
    Correct
    Wrong
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Answer : 1. "March 21"

Q:

How can a citizen pay the university fee through online mode?

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  • 1
    E-Mitra
    Correct
    Wrong
  • 2
    Single sign on ID
    Correct
    Wrong
  • 3
    University Portal
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 4. "All of the above"

Q:

……….. using keyboard keys to permanently delete a file/folder, it will also not be available in the Recycle Bin.

1133 0

  • 1
    Ctrl + Shift
    Correct
    Wrong
  • 2
    Shift + Esc
    Correct
    Wrong
  • 3
    Ctrl + Alt
    Correct
    Wrong
  • 4
    none of the above
    Correct
    Wrong
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Answer : 4. "none of the above"

Q:

How many bits are there in hexadecimal code:

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  • 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:

How many Pins are there in VGA Cable?

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  • 1
    11
    Correct
    Wrong
  • 2
    12
    Correct
    Wrong
  • 3
    17
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 4. "None of these"
Explanation :

1. There are two types of VGA cables: 14-pin and 15-pin. 14-pin cables will work in most applications, but wider display compatibility may require a 15-pin cable.

Q:

What type of personal email account is generally used to download email to my computer?

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  • 1
    Microsoft Exchange
    Correct
    Wrong
  • 2
    POP3
    Correct
    Wrong
  • 3
    IMAP
    Correct
    Wrong
  • 4
    HTTP
    Correct
    Wrong
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Answer : 1. "Microsoft Exchange"
Explanation :

1. Personal email account Microsoft Exchange is usually used to download e-mail to your computer.

2. Microsoft Exchange Server is Microsoft's email, calendaring, contacts, scheduling, and collaboration platform.

3. It is deployed on the Windows Server operating system (OS) for business use.

4. Microsoft designed Exchange Server to provide users with access to the messaging platform from mobile devices, desktops, and web-based systems.

Q:

Which of the following is not a type of projector

1132 0

  • 1
    video projector
    Correct
    Wrong
  • 2
    slide projector
    Correct
    Wrong
  • 3
    gray-scroll-projector
    Correct
    Wrong
  • 4
    movie projector
    Correct
    Wrong
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Answer : 3. "gray-scroll-projector"

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