Computer Knowledge Practice Question and Answer

Q:

Is a high level computer language similar to English language?

1213 0

  • 1
    FORTRAN
    Correct
    Wrong
  • 2
    COBOL
    Correct
    Wrong
  • 3
    PASCAL
    Correct
    Wrong
  • 4
    none of these
    Correct
    Wrong
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Answer : 2. "COBOL"

Q:

Which of the following is not true for for-loop?

1211 0

  • 1
    for (i=0; i
    Correct
    Wrong
  • 2
    for (int i=0; i>9; i++)
    Correct
    Wrong
  • 3
    for (i=10; i
    Correct
    Wrong
  • 4
    for (i=10; i++; i
    Correct
    Wrong
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Answer : 4. "for (i=10; i++; i"
Explanation :

Among the given statements about for loops, the one that is NOT true is that they are used to replace user input while loops. While for loops are typically used for iterations with a known count and are less likely to result in an infinite loop if used correctly, they do not specifically replace user input while loops.

Q:

Which of the following units performs the arithmetic tasks (such as addition, subtraction, multiplication and division) and logical operations?  

1211 0

  • 1
    Input unit
    Correct
    Wrong
  • 2
    Control unit
    Correct
    Wrong
  • 3
    Arithmetic Logic Unit (ALU)
    Correct
    Wrong
  • 4
    Storage unit
    Correct
    Wrong
  • 5
    Memory Unit
    Correct
    Wrong
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Answer : 3. "Arithmetic Logic Unit (ALU) "

Q:

Which of the following is an impact printer? 

1210 0

  • 1
    Laser printer
    Correct
    Wrong
  • 2
    Daisy wheel printer
    Correct
    Wrong
  • 3
    Ink-jet printer
    Correct
    Wrong
  • 4
    Bubble-jet printer
    Correct
    Wrong
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Answer : 2. "Daisy wheel printer "

Q:

Windows 10 is present at the bottom of the user interface and usually contains the Start menu.

1210 0

  • 1
    Taskbar
    Correct
    Wrong
  • 2
    icon
    Correct
    Wrong
  • 3
    Microsoft
    Correct
    Wrong
  • 4
    fireball
    Correct
    Wrong
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Answer : 1. "Taskbar"

Q:

…… is a numerical scale that shows the data point value?

1206 0

  • 1
    Gridlines
    Correct
    Wrong
  • 2
    data point
    Correct
    Wrong
  • 3
    Title
    Correct
    Wrong
  • 4
    Value Axis
    Correct
    Wrong
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Answer : 4. "Value Axis"

Q:

The Fifth generation computing device, based on _____.

1206 0

  • 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:

Is Google Play Store used on mobile?

1205 0

  • 1
    To play games
    Correct
    Wrong
  • 2
    To install new applications
    Correct
    Wrong
  • 3
    To search data on mobile
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 2. "To install new applications"
Explanation :

1. It is an international online software store developed by Google for Android devices.

2. Google Play is an online store where people can find their favorite applications, games, movies, TV shows, books, and more.

3. There are 2 million applications and games available for billions of people in the world.

4. So far, developers have earned more than $120 billion from these.

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