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Computer Aptitude

BASIC COMPUTER KNOWLEDGE MCQs

Total Questions : 1975 | Page 7 of 198 pages
Question 61.  a keyboard is this kind of device ....................... .
  1.    Black
  2.    Input
  3.    Output
  4.    Word Processing
 Discuss Question
Answer: Option B. -> Input
Explanation :
Question 62.  network congestion occurs
  1.    in case of traffic overloading
  2.    when a system terminates
  3.    when connection between two nodes terminates
  4.    none of the mentioned
 Discuss Question
Answer: Option A. -> in case of traffic overloading
Explanation :
Question 63.  the most common method of entering text and numerical data into a computer system is through the use of a-
  1.    Keyboard
  2.    Scanner
  3.    Printer
  4.    None of these
 Discuss Question
Answer: Option A. -> Keyboard
Explanation :
Question 64.  which one of the following extends a private network across public networks?
  1.    local area network
  2.    virtual private network
  3.    enterprise private network
  4.    storage area network
 Discuss Question
Answer: Option B. -> virtual private network
Explanation :
Question 65.  network congestion occurs
  1.    in case of traffic overloading
  2.    when a system terminates
  3.    when connection between two nodes terminates
  4.    none of the mentioned
 Discuss Question
Answer: Option A. -> in case of traffic overloading
Explanation :
Question 66.  which one of the following computer network is built on the top of another network?
  1.    prior network
  2.    chief network
  3.    prime network
  4.    overlay network
 Discuss Question
Answer: Option D. -> overlay network
Explanation :
Question 67.  in computer network nodes are
  1.    the computer that originates the data
  2.    the computer that routes the data
  3.    the computer that terminates the data
  4.    all of the above
 Discuss Question
Answer: Option D. -> all of the above
Explanation :
Question 68.  wireless transmission can be done via
  1.    radio waves
  2.    microwaves
  3.    infrared
  4.    all of the above
 Discuss Question
Answer: Option D. -> all of the above
Explanation :
Question 69.  a single channel is shared by multiple signals by
  1.    analog modulation
  2.    digital modulation
  3.    multiplexing
  4.    none of these
 Discuss Question
Answer: Option C. -> multiplexing
Explanation :
Question 70.  when collection of various computers seems a single coherent system to its client, then it is called
  1.    computer network
  2.    distributed system
  3.    both (A) and (B)
  4.    none of these
 Discuss Question
Answer: Option B. -> distributed system
Explanation :

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