Computer Awareness Questions Practice Question and Answer

Q: What command is used to count the total number of lines, words, and characters contained in a file ? 1829 1

  • 1
    wc
    Correct
    Wrong
  • 2
    count p
    Correct
    Wrong
  • 3
    wcount
    Correct
    Wrong
  • 4
    countw
    Correct
    Wrong
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Answer : 1. "wc"
Explanation :

Answer: A) wc Explanation:

Q:

Which of the following is not an operating system? 

1823 0

  • 1
    Android
    Correct
    Wrong
  • 2
    Vista
    Correct
    Wrong
  • 3
    iOS
    Correct
    Wrong
  • 4
    Opera
    Correct
    Wrong
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Answer : 4. "Opera "

Q: The clipboard 1813 1

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    is a Cache memory
    Correct
    Wrong
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    is a feature that stores user information
    Correct
    Wrong
  • 3
    is used to temporarily store, items that has been cut or copied
    Correct
    Wrong
  • 4
    is a feature that saves file temporarily
    Correct
    Wrong
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Answer : 3. "is used to temporarily store, items that has been cut or copied"
Explanation :

Answer: C) is used to temporarily store, items that has been cut or copied Explanation: A clipboard is a temporary storage area for items that the user wants to cut or copy from one place to another.   For example, in a word processor application, the user might want to cut text from one part of a document and paste it in another part of the document or somewhere else, it is temporarily stored in clipboard.

Q: Main storage is also called 1813 1

  • 1
    Memory
    Correct
    Wrong
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    Control unit
    Correct
    Wrong
  • 3
    Accumulator
    Correct
    Wrong
  • 4
    Register unit
    Correct
    Wrong
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Answer : 1. "Memory"
Explanation :

Answer: A) Memory Explanation: In a computer, the area where the data is stored for the quick access by the computer's processor is called Main storage or Primary storage or Memory or RAM.   Hence, main storage is also called Memory.

Q:

In which of these memory access schemes, separate Read / Write heads are required? 

1806 0

  • 1
    Sequential Access
    Correct
    Wrong
  • 2
    Direct Access
    Correct
    Wrong
  • 3
    Random Access
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 4. "None of these "

Q: The resolution of a printer is measured in 1789 0

  • 1
    DPI
    Correct
    Wrong
  • 2
    Megabits
    Correct
    Wrong
  • 3
    Hertz
    Correct
    Wrong
  • 4
    Inches
    Correct
    Wrong
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Answer : 1. "DPI"
Explanation :

Answer: A) DPI Explanation: Dots per inch (DPI, or dpi) is a measure of spatial printing or video or image scanner dot density, in particular the number of individual dots that can be placed in a line within the span of 1 inch (2.54 cm).

Q:

This device is the communication medium for the entire computer system and placed in the system unit. Identify the device.

1784 0

  • 1
    ROM
    Correct
    Wrong
  • 2
    RAM
    Correct
    Wrong
  • 3
    Motherboard
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "Motherboard"

Q:

_____are the fastest and the most expensive computers. 

1778 0

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    Super computers
    Correct
    Wrong
  • 2
    Laptop
    Correct
    Wrong
  • 3
    Micro computers
    Correct
    Wrong
  • 4
    Mini computers
    Correct
    Wrong
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Answer : 1. "Super computers "

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