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Computer Aptitude

BASIC COMPUTER KNOWLEDGE MCQs

Total Questions : 1975 | Page 1 of 198 pages
Question 1.  operating systems and utility programs are in a class of software known as
  1.    system software
  2.    BIOS software
  3.    software suites
  4.    sequential software
 Discuss Question
Answer: Option A. -> system software
Explanation :
Question 2.  this is a time-sensitive service
  1.    File transfer
  2.    File download
  3.    E-mail
  4.    Internet telephony
 Discuss Question
Answer: Option D. -> Internet telephony
Explanation :
Question 3.  a medium for transferring data between two locations is called
  1.    Network
  2.    Modem
  3.    Bus
  4.    Communication channel
 Discuss Question
Answer: Option D. -> Communication channel
Explanation :
Question 4.  main storage is also called
  1.    Memory
  2.    Control Unit
  3.    Register Unit
  4.    Accumulator
 Discuss Question
Answer: Option A. -> Memory
Explanation :
Question 5.  what was the computer conceived by babbage?
  1.    Games
  2.    Donald Knuth
  3.    Arithmetic Machine
  4.    Analytical Engine
 Discuss Question
Answer: Option D. -> Analytical Engine
Explanation :
Question 6.  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 7.  the portion of physical layer that interfaces with the media access control sublayer is called
  1.    physical signalling sublayer
  2.    physical data sublayer
  3.    physical address sublayer
  4.    none of these
 Discuss Question
Answer: Option A. -> physical signalling sublayer
Explanation :
Question 8.  user datagram protocol is called connectionless because
  1.    all UDP packets are treated independently by transport layer
  2.    it sends data as a stream of related packets
  3.    both (A) and (B)
  4.    none of these
 Discuss Question
Answer: Option A. -> all UDP packets are treated independently by transport layer
Explanation :
Question 9.  which one of the following is a transport layer protocol?
  1.    stream control transmission protocol
  2.    internet control message protocol
  3.    neighbor discovery protocol
  4.    dynamic host configuration protocol
 Discuss Question
Answer: Option A. -> stream control transmission protocol
Explanation :
Question 10.  which of these keys is not on the number keypad?
  1.    Ctrl
  2.    Del
  3.    Enter
  4.    Num lock
 Discuss Question
Answer: Option A. -> Ctrl
Explanation :

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