Computer Knowledge Practice Question and Answer

Q:

The acronym of Reusable Optical Storage is-

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  • 1
    CD
    Correct
    Wrong
  • 2
    CD-RW
    Correct
    Wrong
  • 3
    DVD
    Correct
    Wrong
  • 4
    ROM
    Correct
    Wrong
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Answer : 4. "ROM"
Explanation :

Actually, the correct acronym for Reusable Optical Storage is not ROM. The correct acronym is ROS, which stands for Reusable Optical Storage. ROS refers to a technology that allows optical storage media, such as DVDs and CDs, to be rewritten or reused multiple times for data storage purposes.

Q:

By whom is the input converted into output?

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  • 1
    memory
    Correct
    Wrong
  • 2
    Storage
    Correct
    Wrong
  • 3
    CPU
    Correct
    Wrong
  • 4
    input-output unit
    Correct
    Wrong
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Answer : 3. "CPU"

Q:

The directory inside the directory is called?

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  • 1
    Sub directory
    Correct
    Wrong
  • 2
    Root Directory
    Correct
    Wrong
  • 3
    Home directory
    Correct
    Wrong
  • 4
    Main directory
    Correct
    Wrong
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Answer : 1. "Sub directory"

Q:

The number of rows in Excel 2003 is ______.

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  • 1
    65535
    Correct
    Wrong
  • 2
    65536
    Correct
    Wrong
  • 3
    65534
    Correct
    Wrong
  • 4
    65533
    Correct
    Wrong
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Answer : 2. "65536"
Explanation :

In Excel 2003, the number of rows is 65,536. Each worksheet in Excel 2003 consists of 65,536 rows and 256 columns.

Q:

Delayed payload of some virus is called-

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  • 1
    Time
    Correct
    Wrong
  • 2
    Anti-virus
    Correct
    Wrong
  • 3
    Bomb
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 3. "Bomb"
Explanation :

 In the context of computer viruses or malware, a time bomb is a type of malicious code that is programmed to execute a harmful action at a specific date and time or after a certain period has elapsed. This delayed activation makes it challenging to detect and prevent the attack until it's too late.

Q:

Computer language FORTRAN is useful in which field?

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  • 1
    business
    Correct
    Wrong
  • 2
    Drawing
    Correct
    Wrong
  • 3
    Science
    Correct
    Wrong
  • 4
    Commerce
    Correct
    Wrong
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Answer : 3. "Science"
Explanation :

FORTRAN (short for "Formula Translation") is a high-level programming language that is particularly well-suited for scientific and engineering applications. It was developed for numeric and scientific computing and is widely used in fields such as physics, engineering, mathematics, and other scientific disciplines. FORTRAN allows for efficient processing of mathematical and scientific computations, making it a popular choice for complex scientific simulations, mathematical modeling, and computational research.

Q:

Where you are likely to find an embedded operating system ?

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  • 1
    on a desktop operating system
    Correct
    Wrong
  • 2
    on a networked PC
    Correct
    Wrong
  • 3
    on a network server
    Correct
    Wrong
  • 4
    on a PDA
    Correct
    Wrong
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Answer : 4. "on a PDA"

Q:

Father of ‘C’ programming language

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  • 1
    Thomas Kurtz
    Correct
    Wrong
  • 2
    Prof Jhon Kemeny
    Correct
    Wrong
  • 3
    Dennis Ritchie
    Correct
    Wrong
  • 4
    Bill Gates
    Correct
    Wrong
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Answer : 3. "Dennis Ritchie "

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