Computer GK Practice Question and Answer

Q:

Which interface is provided to access the services of the operating system?

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  • 1
    system calls
    Correct
    Wrong
  • 2
    API
    Correct
    Wrong
  • 3
    library
    Correct
    Wrong
  • 4
    assembly instructions
    Correct
    Wrong
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Answer : 1. "system calls"

Q:

With which of the following is the Break statement used?

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  • 1
    if Statement
    Correct
    Wrong
  • 2
    else if Statement
    Correct
    Wrong
  • 3
    Switch Statement
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "Switch Statement"
Explanation :

The break statement is used with loops (such as for and while loops) and switch statements in programming. In loops, it is used to exit the loop prematurely, while in a switch statement, it is used to exit the switch block after executing a specific case.


Q:

A firewall is a software tool which protects:
 (I) Server
 (II) Network
 (III) Fire
 (IV) Personal computer
 The correct answer is from the options given below:

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  • 1
    (I), (III) only
    Correct
    Wrong
  • 2
    (II), (III) only
    Correct
    Wrong
  • 3
    (I), (II), (III) only
    Correct
    Wrong
  • 4
    (I), (II), (IV) only
    Correct
    Wrong
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Answer : 4. "(I), (II), (IV) only"
Explanation :

A firewall is a software tool, which protects-
1. Server
2. Network
3. Personal Computer

Q:

The _______ option in Windows splits the image between the computer and the projector whenever we connect the projector to the computer. In this way, you can display some scenes on your computer screen and some other scene on the projector screen.

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  • 1
    Computer only
    Correct
    Wrong
  • 2
    duplicate
    Correct
    Wrong
  • 3
    Extend
    Correct
    Wrong
  • 4
    Projector only (second screen only)
    Correct
    Wrong
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Answer : 3. "Extend"
Explanation :

1. Extend in Windows divides the image between the computer and the projector whenever we connect the projector to the computer. In this way, you can display one scene on your computer screen and another scene on the projector screen.

Q:

Which of the following documents can be applied for through the eMitra portal?

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  • 1
    Aadhaar card
    Correct
    Wrong
  • 2
    Driving License
    Correct
    Wrong
  • 3
    Voter ID card
    Correct
    Wrong
  • 4
    all of these
    Correct
    Wrong
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Answer : 4. "all of these"
Explanation :

Applications for almost all documents can be made through the e-Mitra portal.

1. Citizens of e-Mitra portal are given the facility to apply under more than 300 schemes.

2. The main services of e-Mitra are:- Aadhar Card, Jan Aadhar Card, Bhamashah Card, Income Certificate, Caste Certificate, Residence Certificate, Ration Card, Death Certificate, Driving License, etc.

Q:

Printer is an output device which converts _________ to ________.

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  • 1
    soft copy, in soft copy
    Correct
    Wrong
  • 2
    soft copy, color copy
    Correct
    Wrong
  • 3
    soft copy, hard copy
    Correct
    Wrong
  • 4
    in hard copy, soft copy
    Correct
    Wrong
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Answer : 3. "soft copy, hard copy"

Q:

The website https://www.irctc.co.in is related to:

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  • 1
    Indian Railways
    Correct
    Wrong
  • 2
    Passport Seva Services
    Correct
    Wrong
  • 3
    ITR filing
    Correct
    Wrong
  • 4
    Aadhaar Updation
    Correct
    Wrong
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Answer : 1. "Indian Railways"
Explanation :

1. Website https://www.irctc.co.in belongs to Indian Railways.

2. IRCTC has revolutionized the lives of the common man traveling by Indian Railways.

3. IRCTC online ticket booking system is a boon for the common man, empowering him through technology.

Q:

A computer cannot think or make decisions by itself. A program is required to accomplish this task. What is the program?

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  • 1
    a set of sequentially ordered instructions that guide a computer to solve a problem
    Correct
    Wrong
  • 2
    a set of information
    Correct
    Wrong
  • 3
    program outline
    Correct
    Wrong
  • 4
    how to operate computer
    Correct
    Wrong
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Answer : 1. "a set of sequentially ordered instructions that guide a computer to solve a problem"

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