Computer Knowledge Practice Question and Answer

Q:

How many digits are included in the Aadhar card number?

1304 0

  • 1
    12
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    10
    Correct
    Wrong
  • 4
    16
    Correct
    Wrong
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Answer : 1. " 12"

Q:

The decimal equivalent of the number (614)7  will be –

1303 0

  • 1
    1000
    Correct
    Wrong
  • 2
    614
    Correct
    Wrong
  • 3
    305
    Correct
    Wrong
  • 4
    200
    Correct
    Wrong
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Answer : 3. "305"

Q:

The goal of normalization is to _______.

1303 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:

Which type of computer is used to study earthquakes?

1302 0

  • 1
    Mainframe computer
    Correct
    Wrong
  • 2
    Mini computer
    Correct
    Wrong
  • 3
    Micro computer
    Correct
    Wrong
  • 4
    Super computer
    Correct
    Wrong
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Answer : 4. "Super computer"
Explanation :

1. Supercomputer is a powerful computer in terms of data storage capacity, performance and data processing.

2. A supercomputer is a powerful computer that can process large amounts of data and computations very quickly.

3. Supercomputers perform copious amounts of mathematical calculations.

4. Supercomputers are used for a wide variety of applications, including meteorology, medical research, and nuclear weapons research.

Q:

Before a user can access the Internet, which of the following is necessary?

1301 0

  • 1
    Internet Service
    Correct
    Wrong
  • 2
    Modem
    Correct
    Wrong
  • 3
    Web Browser
    Correct
    Wrong
  • 4
    all of the above
    Correct
    Wrong
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Answer : 4. "all of the above"

Q:

With which of the following all formulas in excel starts ?

1300 0

  • 1
    /
    Correct
    Wrong
  • 2
    *
    Correct
    Wrong
  • 3
    $
    Correct
    Wrong
  • 4
    =
    Correct
    Wrong
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Answer : 4. "="

Q:

Integrated circuit is related to which generation of computer?

1296 0

  • 1
    first generation
    Correct
    Wrong
  • 2
    second generation
    Correct
    Wrong
  • 3
    third generation
    Correct
    Wrong
  • 4
    fourth generation
    Correct
    Wrong
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Answer : 3. "third generation"
Explanation :

Integrated circuits (ICs) were first introduced during the third generation of computers. The third generation of computers, which emerged in the 1960s, saw the development and widespread use of integrated circuits. These tiny electronic circuits contained multiple transistors, resistors, and capacitors on a single semiconductor chip. The use of integrated circuits significantly reduced the size of computers, increased their processing speed, and improved their reliability, marking a significant advancement in computer technology.

Q:

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

1291 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"

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