Computer Knowledge Practice Question and Answer

Q:

The basic goal of computer process is to covert data into__

1235 0

  • 1
    Files
    Correct
    Wrong
  • 2
    Tables
    Correct
    Wrong
  • 3
    Information
    Correct
    Wrong
  • 4
    Graphs
    Correct
    Wrong
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Answer : 3. "Information"

Q:

Which of the following is an input device that , when moved by the user on a flat surface , causes a pointer on the screen to move accordingly ?

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  • 1
    wand reader
    Correct
    Wrong
  • 2
    mouse
    Correct
    Wrong
  • 3
    keyboard
    Correct
    Wrong
  • 4
    bar - code reader
    Correct
    Wrong
  • 5
    scanner
    Correct
    Wrong
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Answer : 2. "mouse "

Q: Translator program used in assembly language 1226 0

  • 1
    Assembler
    Correct
    Wrong
  • 2
    Interpreter
    Correct
    Wrong
  • 3
    Compiler
    Correct
    Wrong
  • 4
    Operating system
    Correct
    Wrong
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Answer : 1. "Assembler"
Explanation :

Answer: A) Assembler Explanation: Assemblers are used to translate a program written in a low-level assembly language into a machine code (object code) file so it can be used and executed by the computer.   Hence, Assembler is the translator program used in assembly language.

Q:

These are types of LCD projectors.

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  • 1
    Flat Panel and Laser
    Correct
    Wrong
  • 2
    Normal and Roof Mounted
    Correct
    Wrong
  • 3
    Mesh Model and Curved
    Correct
    Wrong
  • 4
    none of these
    Correct
    Wrong
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Answer : 3. "Mesh Model and Curved"
Explanation :

1. LCD panel types include normal and roof-mounted.

2. Liquid Crystal Display flats are thinner and lighter making them more useful and easier for users than CRTs. It consumes less power than CRT.

Q:

Which of the following terms is just the connection of networks that can be joined together ? 

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  • 1
    virtual private network
    Correct
    Wrong
  • 2
    internet
    Correct
    Wrong
  • 3
    intranet
    Correct
    Wrong
  • 4
    extranet
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 2. "internet "

Q:

In network topology, all devices on a network are connected to a single continuous cable called  

1221 0

  • 1
    Star
    Correct
    Wrong
  • 2
    Ring
    Correct
    Wrong
  • 3
    Bus
    Correct
    Wrong
  • 4
    Tree
    Correct
    Wrong
  • 5
    Mesh
    Correct
    Wrong
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Answer : 1. "Star "

Q:

What is the function of a MODEM? 

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  • 1
    Converts analog signals to digital and vice - versa
    Correct
    Wrong
  • 2
    Serves as a hardware anti - virus
    Correct
    Wrong
  • 3
    Encryption & Decryption
    Correct
    Wrong
  • 4
    Converts data to voice and vice - versa
    Correct
    Wrong
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Answer : 1. "Converts analog signals to digital and vice - versa "

Q:

Which of the following menu types is also called a drop down menu? 

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  • 1
    Fly-down
    Correct
    Wrong
  • 2
    Pop-down
    Correct
    Wrong
  • 3
    Pop-up
    Correct
    Wrong
  • 4
    Pull-up
    Correct
    Wrong
  • 5
    Pull-down
    Correct
    Wrong
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Answer : 5. "Pull-down "

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