Computer Knowledge Practice Question and Answer

Q:

Which of the following is not an example of a mobile wallet?

1606 0

  • 1
    SBI Body
    Correct
    Wrong
  • 2
    Bhima
    Correct
    Wrong
  • 3
    Pay-TM
    Correct
    Wrong
  • 4
    Credit card
    Correct
    Wrong
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Answer : 4. "Credit card"

Q:

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

1605 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 components are used in LAN for Ethernet?

1603 0

  • 1
    COAX
    Correct
    Wrong
  • 2
    Fiber
    Correct
    Wrong
  • 3
    STP
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 4. "All of the above"
Explanation :

All three components—COAX (coaxial cables), Fiber (optical fiber cables), and STP (shielded twisted pair cables)—can be used in LANs for Ethernet connectivity, depending on specific network requirements and conditions. Different types of Ethernet cables, including coaxial, fiber optic, and shielded twisted pair, are used based on factors such as data transfer speed, distance, and susceptibility to electromagnetic interference.


Q:

A 32 bit microprocessor has the word length equal to

1599 0

  • 1
    2 bytes
    Correct
    Wrong
  • 2
    4 bytes
    Correct
    Wrong
  • 3
    1 bytes
    Correct
    Wrong
  • 4
    8 bytes
    Correct
    Wrong
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Answer : 2. "4 bytes"

Q:

The goal of normalization is to _______.

1598 0

  • 1
    Minimize the number of relationships
    Correct
    Wrong
  • 2
    Minimum number of entities
    Correct
    Wrong
  • 3
    Minimize the number of tables
    Correct
    Wrong
  • 4
    Minimizing data redundancy
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 4. "Minimizing data redundancy"

Q:

What type of software is Raj e-Wallet?

1597 0

  • 1
    Document Management System
    Correct
    Wrong
  • 2
    Network Management System
    Correct
    Wrong
  • 3
    Software Management System
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 1. "Document Management System"
Explanation :

1. Rajasthan Government has started the online service of “Raj e-Vault”.

2. The Rajasthan Government has launched a digital document manager in the form of an online portal “Raj e-Vault”

3. Once you have created your e-vault, all the documents which are related to the government.

4. Visit the official website of Raj e-Vault using your Aadhaar ID; An OTP will be sent to your registered mobile number. Enter the OTP and start uploading your documents.

Q:

The Processed data is called?

1597 0

  • 1
    Output
    Correct
    Wrong
  • 2
    Information
    Correct
    Wrong
  • 3
    Input
    Correct
    Wrong
  • 4
    all
    Correct
    Wrong
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Answer : 2. "Information"

Q:

Which software controls the hardware of the computer?

1597 0

  • 1
    Application
    Correct
    Wrong
  • 2
    Program
    Correct
    Wrong
  • 3
    System
    Correct
    Wrong
  • 4
    Memory
    Correct
    Wrong
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Answer : 3. "System"

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