Computer Knowledge Practice Question and Answer

Q:

When does Time Bomb happen?

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  • 1
    during a particular logic and data
    Correct
    Wrong
  • 2
    during a particular date or time
    Correct
    Wrong
  • 3
    during a particular time
    Correct
    Wrong
  • 4
    none of the above
    Correct
    Wrong
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Answer : 2. "during a particular date or time"
Explanation :

it can be programmed to activate during a particular date or time, making it a significant threat if it goes undetected until the specified trigger conditions are met. Time bombs are often used by attackers to initiate their malicious activities at a specific moment, adding an element of surprise and making it difficult to prevent or mitigate the damage.

Q:

Message sent by computer is known as

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  • 1
    SMS
    Correct
    Wrong
  • 2
    FAX
    Correct
    Wrong
  • 3
    E-mail
    Correct
    Wrong
  • 4
    Telegram
    Correct
    Wrong
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Answer : 3. "E-mail"

Q:

Which of the following is not the same as the other three?

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  • 1
    MAC address
    Correct
    Wrong
  • 2
    Hardware address
    Correct
    Wrong
  • 3
    Physical address
    Correct
    Wrong
  • 4
    IP address
    Correct
    Wrong
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Answer : 4. "IP address"
Explanation :

1. Of all these options, IP addresses are the most important.

2. IP address (Internet Protocol address) is a digital address used to identify a computer or device on the Internet or any other network.

3. IP address is a set of four numbers. It is in this format 191.150.1.38. Is visible in. The set of numbers for an IP address ranges from 0 to 255. That means the IP address ranges from 0.0.0.0 to 255.255.255.255.

Q:

The Fifth generation computing device, based on _____.

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  • 1
    artificial intelligence
    Correct
    Wrong
  • 2
    very large scale integration (VLSI)
    Correct
    Wrong
  • 3
    both of above
    Correct
    Wrong
  • 4
    SQL
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "artificial intelligence"

Q:

When was the MS Windows operating system proposed?

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  • 1
    1994
    Correct
    Wrong
  • 2
    1990
    Correct
    Wrong
  • 3
    1992
    Correct
    Wrong
  • 4
    1995
    Correct
    Wrong
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Answer : 4. "1995"

Q:

What is the shortcut key to open File Explorer or File Manager?

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  • 1
    Ctrl + N
    Correct
    Wrong
  • 2
    Ctrl + O
    Correct
    Wrong
  • 3
    Ctrl + E
    Correct
    Wrong
  • 4
    Ctrl + F
    Correct
    Wrong
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Answer : 2. "Ctrl + O"
Explanation :

1. The shortcut key to open File Explorer or File Manager is Ctrl + O.

2. In Microsoft Excel and all other spreadsheet programs, pressing Ctrl+O brings up the Open window, allowing you to load an existing spreadsheet stored on your computer.

3. In Microsoft Word and other word processors, pressing Ctrl+O brings up the Open window, allowing you to load an existing document stored on your computer.

Q:

Which part of the computer carries out the arithmetic and logical operations?

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  • 1
    Control Unit
    Correct
    Wrong
  • 2
    Processing Element
    Correct
    Wrong
  • 3
    BIOS
    Correct
    Wrong
  • 4
    Mother Board
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 2. "Processing Element"

Q:

What is a GPU?

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  • 1
    Grouped Processing Unit
    Correct
    Wrong
  • 2
    Graphics Processing Unit
    Correct
    Wrong
  • 3
    Graphical Performance Utility
    Correct
    Wrong
  • 4
    Graphical Portable Unit
    Correct
    Wrong
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Answer : 2. "Graphics Processing Unit"

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