Computer Knowledge Practice Question and Answer

Q:

Computer process data into information by working exclusively with: 

3012 1

  • 1
    Characters
    Correct
    Wrong
  • 2
    Numbers
    Correct
    Wrong
  • 3
    Multimedia
    Correct
    Wrong
  • 4
    Words
    Correct
    Wrong
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Answer : 2. "Numbers "

Q: What is an error in a program called 3011 0

  • 1
    Power fail
    Correct
    Wrong
  • 2
    Crash
    Correct
    Wrong
  • 3
    Virus
    Correct
    Wrong
  • 4
    Bug
    Correct
    Wrong
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Answer : 4. "Bug"
Explanation :

Answer: D) Bug Explanation: In computer technology, a coding error in a computer program is called a bug.

Q:

______transforms one interface into another interface. 

3003 0

  • 1
    Data
    Correct
    Wrong
  • 2
    Hardware
    Correct
    Wrong
  • 3
    Programs
    Correct
    Wrong
  • 4
    Software
    Correct
    Wrong
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Answer : 4. "Software"

Q:

Which is the longest key on the keyboard?

2997 0

  • 1
    Home
    Correct
    Wrong
  • 2
    Enter
    Correct
    Wrong
  • 3
    Space bar
    Correct
    Wrong
  • 4
    Shift
    Correct
    Wrong
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Answer : 3. "Space bar"

Q:

End key is used to

2974 0

  • 1
    Move the cursor end of the line
    Correct
    Wrong
  • 2
    Moves the cursor end of the document
    Correct
    Wrong
  • 3
    Moves the cursor end of the paragraph
    Correct
    Wrong
  • 4
    Moves the cursor end of the screen
    Correct
    Wrong
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Answer : 1. "Move the cursor end of the line"

Q:

What is the shortcut key for opening a new document or window?

2971 0

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

1. In Microsoft Word, Excel, and PowerPoint, the shortcut key to open a new document or window is Ctrl+N. Pressing this key will open a new document or window.

2. If you want to open a specific type of document, you can select a specific document type following the Ctrl+N key combination. For example, if you want to open a new Word document, you can select Word Document followed by the Ctrl+N key combination.

3. Here are some other shortcut keys that can be used to open a new document or window-

- Ctrl+O: Open an existing document

- Ctrl+S: Save the current document

- Ctrl+P: Print the current document

- Ctrl+X: Cut selected content

- Ctrl+C: Copy selected content

- Ctrl+V: Paste selected content

- Ctrl+Z: Cancel previous action

- Ctrl+Y: Redo the previous action

Q:

Which of the following are the cheapest memory devices in terms of cost/bit? 

2967 0

  • 1
    Magnetic Tapes
    Correct
    Wrong
  • 2
    Compact Disk
    Correct
    Wrong
  • 3
    Semiconductor Memories
    Correct
    Wrong
  • 4
    Magnetic Disk
    Correct
    Wrong
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Answer : 2. "Compact Disk "

Q:

Which method is used in modern digital computer?

2963 0

  • 1
    Binary numeral system
    Correct
    Wrong
  • 2
    analog calculation method
    Correct
    Wrong
  • 3
    Decimal Number System
    Correct
    Wrong
  • 4
    none of these
    Correct
    Wrong
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Answer : 1. "Binary numeral system"

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