Computer Knowledge Practice Question and Answer

Q:

What is the language often used by children in a computer program?

2374 1

  • 1
    Basic
    Correct
    Wrong
  • 2
    Java
    Correct
    Wrong
  • 3
    logo
    Correct
    Wrong
  • 4
    Pilot
    Correct
    Wrong
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Answer : 3. "logo"

Q:

192.161.121.100 is an example of which class? 

2355 0

  • 1
    Class A
    Correct
    Wrong
  • 2
    Class B
    Correct
    Wrong
  • 3
    Class C
    Correct
    Wrong
  • 4
    Class D
    Correct
    Wrong
  • 5
    Class E
    Correct
    Wrong
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Answer : 3. "Class C"

Q: Which type of memory is not directly addressable by the CPU and requires special software called EMS ? 2343 2

  • 1
    Expanded
    Correct
    Wrong
  • 2
    Base
    Correct
    Wrong
  • 3
    Conventional
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "Expanded"
Explanation :

Answer: A) Expanded Explanation:

Q:

One nibble is equivalent to how many bits? 

2336 0

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

Q: Which is NOT a good Web security strategy ? 2335 5

  • 1
    Remove unnecessary compilers and interpreters
    Correct
    Wrong
  • 2
    Add demo programs, so users can test system without accessing production data
    Correct
    Wrong
  • 3
    Limit the users who can load software, edit or add files
    Correct
    Wrong
  • 4
    Restrict access to the Web server keep a minimum number of ports open
    Correct
    Wrong
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Answer : 1. "Remove unnecessary compilers and interpreters"
Explanation :

Answer: A) Remove unnecessary compilers and interpreters Explanation:

Q: Word length of a personal computer is 2333 0

  • 1
    32 bit
    Correct
    Wrong
  • 2
    16 bit
    Correct
    Wrong
  • 3
    8 bit
    Correct
    Wrong
  • 4
    4 bit
    Correct
    Wrong
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Answer : 3. "8 bit"
Explanation :

Answer: C) 8 bit Explanation: Word length refers to the number of bits processed by a computer's CPU in one go. These days, typically 32 bits or 64 bits are used. Data bus size, instruction size, address size are usually multiples of the word size.

Q:

A bar code reader is an example of a ( n ) . 

2322 0

  • 1
    processing device
    Correct
    Wrong
  • 2
    storage device
    Correct
    Wrong
  • 3
    input device
    Correct
    Wrong
  • 4
    output device
    Correct
    Wrong
  • 5
    printer
    Correct
    Wrong
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Answer : 3. "input device "

Q:

Computer virus is: 

2319 0

  • 1
    Computer program
    Correct
    Wrong
  • 2
    Operating system
    Correct
    Wrong
  • 3
    Part of OS
    Correct
    Wrong
  • 4
    Part of Hardware
    Correct
    Wrong
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Answer : 1. "Computer program "

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