Lakshya Education MCQs

Question:  a medium for transferring data between two locations is called
D.Communication channel
Answer: Option D
Explanation :

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Question 1.  third generation computers
  1.    Were the first to use integrated circuitry
  2.    Used transistors insted of vaccum tubes
  3.    Were the first to use built-in error detecting devices
  4.    All of the above
Answer: Option A
Explanation :
Question 2.  who developed a mechanical device in the 17th century that could add, subtract, multiply, divide and find square roots?
  1.    Pascal
  2.    Napier
  3.    Leibnitz
  4.    Babbage
Answer: Option C
Explanation :
Question 3.  a six - digit card field used for postal zip codes is defined as
  1.    An alphanumeric field
  2.    A numeric field
  3.    A letter field
  4.    A alphabetic field
Answer: Option B
Explanation :
Question 4.  the most powerful computer is-
  1.    Super computer
  2.    Micro computer
  3.    Mini computer
  4.    All of these
Answer: Option A
Explanation :
Question 5.  moves the cursor one space to the right or puts spaces in between words............................ .
  1.    Control key
  2.    Space bar
  3.    Printer
  4.    Mouse
Answer: Option B
Explanation :
Question 6.  which one of the following protocol delivers/stores mail to reciever server?
  1.    simple mail transfer protocol
  2.    post office protocol
  3.    internet mail access protocol
  4.    hypertext transfer protocol
Answer: Option A
Explanation :

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