Computer Knowledge Practice Question and Answer

Q: Which unit holds data temporarily? 2455 0

  • 1
    Secondary storage unit
    Correct
    Wrong
  • 2
    Output Unit
    Correct
    Wrong
  • 3
    Primary Memory Unit
    Correct
    Wrong
  • 4
    Input unit
    Correct
    Wrong
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Answer : 3. "Primary Memory Unit"
Explanation :

Answer: C) Primary Memory Unit Explanation: Memory is the part of the computer that temporarily holds data and instructions before and after they are processed by the ALU.   Memory is also known as primary storage, primary memory, main storage, internal storage, and main memory.   Manufacturers often use the term RAM, which stands for random-access memory.​

Q:

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

2455 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:

With which coordination does the main memory work?

2448 0

  • 1
    INTEL
    Correct
    Wrong
  • 2
    Special work card
    Correct
    Wrong
  • 3
    RAM
    Correct
    Wrong
  • 4
    CPU
    Correct
    Wrong
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Answer : 4. "CPU"

Q:

Java was originally invented by

2448 0

  • 1
    Microsoft
    Correct
    Wrong
  • 2
    Adobe
    Correct
    Wrong
  • 3
    Sun
    Correct
    Wrong
  • 4
    Oracle
    Correct
    Wrong
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Answer : 3. "Sun"

Q:

What is the mascot of the Linux operating system?

2445 0

  • 1
    Bear
    Correct
    Wrong
  • 2
    Penguin
    Correct
    Wrong
  • 3
    Lion
    Correct
    Wrong
  • 4
    whale
    Correct
    Wrong
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Answer : 2. "Penguin"
Explanation :

The mascot of the Linux operating system is a penguin named Tux. Tux was created by Larry Ewing and has become the widely recognized symbol representing the Linux kernel and the open-source software community.


Q:

Which of the following is an open source (free to all) mobile OS?

2431 0

  • 1
    Wi-Fi
    Correct
    Wrong
  • 2
    Induction
    Correct
    Wrong
  • 3
    Infrared
    Correct
    Wrong
  • 4
    All of these
    Correct
    Wrong
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Answer : 4. "All of these"
Explanation :

An open source (free for all) low connectivity requirement.

- Wi-Fi

- Induction

- infrared

Q:

For what purpose was the famous computer named Pacman made?

2429 0

  • 1
    Bank
    Correct
    Wrong
  • 2
    stock market
    Correct
    Wrong
  • 3
    Sports
    Correct
    Wrong
  • 4
    Book Publishing
    Correct
    Wrong
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Answer : 3. "Sports"

Q:

Which is the cloud based storage solution launched by Rajasthan government?

2417 0

  • 1
    Raj E-Vault
    Correct
    Wrong
  • 2
    E-Gyan
    Correct
    Wrong
  • 3
    RPSC
    Correct
    Wrong
  • 4
    Raj-e-Sign
    Correct
    Wrong
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Answer : 1. "Raj E-Vault"

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