Computer Knowledge Practice Question and Answer

Q:

What can happen if the Windows Firewall is turned off on your system?

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  • 1
    You will not be able to surf the internet.
    Correct
    Wrong
  • 2
    You cannot install any application software on your system.
    Correct
    Wrong
  • 3
    Windows Firewall is useless and nothing will happen.
    Correct
    Wrong
  • 4
    Your system may be more vulnerable to damage from hackers and malicious software.
    Correct
    Wrong
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Answer : 1. "You will not be able to surf the internet."

Q:

If you receive a mail asking for your username and password, what will you do in such a situation?

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  • 1
    report it as phishing/spam through your email provider
    Correct
    Wrong
  • 2
    delete the message
    Correct
    Wrong
  • 3
    reply to the message with your email and password.
    Correct
    Wrong
  • 4
    none of these
    Correct
    Wrong
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Answer : 1. "report it as phishing/spam through your email provider"

Q:

What is most processing in a computer?

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  • 1
    Motherboard
    Correct
    Wrong
  • 2
    memory
    Correct
    Wrong
  • 3
    CPU
    Correct
    Wrong
  • 4
    RAM
    Correct
    Wrong
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Answer : 1. "Motherboard"

Q:

Which command can be used to recreate the disk tracks? 

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  • 1
    Ctrl Disk
    Correct
    Wrong
  • 2
    ATTRIB
    Correct
    Wrong
  • 3
    F DISK
    Correct
    Wrong
  • 4
    FORMAT
    Correct
    Wrong
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Answer : 4. "FORMAT "

Q:

The basic goal of computer process is to covert data into__

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  • 1
    Files
    Correct
    Wrong
  • 2
    Tables
    Correct
    Wrong
  • 3
    Information
    Correct
    Wrong
  • 4
    Graphs
    Correct
    Wrong
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Answer : 3. "Information"

Q:

MS-DOS/Windows commands and Unix/Linux commands are used to list directories/files available in the current directory or for information about a file.

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  • 1
    Rmdir, Mkdir
    Correct
    Wrong
  • 2
    Type, Car
    Correct
    Wrong
  • 3
    Is Dir
    Correct
    Wrong
  • 4
    none of the above
    Correct
    Wrong
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Answer : 1. "Rmdir, Mkdir"

Q:

Laser printer resolution is specified in terms of:

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  • 1
    DPI
    Correct
    Wrong
  • 2
    LPM
    Correct
    Wrong
  • 3
    CPM
    Correct
    Wrong
  • 4
    LSI
    Correct
    Wrong
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Answer : 1. "DPI "
Explanation :

Laser printer resolution is specified in terms of DPI, which stands for Dots Per Inch. DPI refers to the number of dots a printer can place within one square inch of space on a printed page. Higher DPI values generally result in sharper and more detailed printouts. Laser printers typically offer higher DPI resolutions, such as 600 DPI or 1200 DPI, leading to high-quality text and graphics output.


Q:

Which of the following is used to switch between open programs?

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  • 1
    Alt+tab
    Correct
    Wrong
  • 2
    Ctrl+tab
    Correct
    Wrong
  • 3
    Shift+tab
    Correct
    Wrong
  • 4
    Ctrl+Alt
    Correct
    Wrong
  • 5
    Alt+Shift
    Correct
    Wrong
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Answer : 1. " Alt+tab"

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