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MCQs

Total Questions : 275 | Page 5 of 28 pages
Question 41. ‘Burst refresh’ in DRAM is also called
  1.    Concentrated refresh
  2.    Distributed refresh
  3.    Hidden refresh
  4.    None of the above
 Discuss Question
Answer: Option A. -> Concentrated refresh
Question 42. In 8085, the pins for SID and SOD are
  1.    4 and 5 respectively
  2.    5 and 4 respectively
  3.    3 and 4 respectively
  4.    4 and 3 respectively
 Discuss Question
Answer: Option B. -> 5 and 4 respectively
Question 43. When .9432 E – 4 is subtracted from .5452 E – 3 in normalized floating point mode
  1.    None of the numbers is changed
  2.    .9432 E – 4 is changed to .09432 E – 3 and .5452 E – 3 is not changed
  3.    .5452 E – 3 is changed to 5.452 E – 4 but .9432 E – 4 is not changed
  4.    Both Ihe numbers are changed and their exponents are, made equal to -5
 Discuss Question
Answer: Option B. -> .9432 E – 4 is changed to .09432 E – 3 and .5452 E – 3 is not changed
Question 44. An I/O processor controls the flow of information between
  1.    Cache memory and I/O devices
  2.    Main memory and I/O devices
  3.    Two I/O devices
  4.    Cache and main memory
 Discuss Question
Answer: Option B. -> Main memory and I/O devices
Question 45. Of the following circuits, the one which involves storage is
  1.    RS Latch
  2.    Mux
  3.    Nand
  4.    Decoder
 Discuss Question
Answer: Option A. -> RS Latch
Question 46. MS Access is a DBMS software.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 47. Which of the following is not a general purpose peripheral?
  1.    I/O port
  2.    Programmable interrupt controller
  3.    Programmable CRT controller
  4.    Programmable interval timer
 Discuss Question
Answer: Option C. -> Programmable CRT controller
Question 48. In Fortran 77 a variable name can contain special characters.
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False
Question 49. It is possible to copy a file in the same directory.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 50. Circuit A is a 1-bit adder; circuit B is a 1 bit multiplier.[Hint: Construct the truth table for the adder and the multiplier]
  1.    None of these
  2.    Circuit B has more gates than circuit A
  3.    Circuit A has more gates than circuit B
  4.    Circuit A has the same number of gates as circuit B
 Discuss Question
Answer: Option C. -> Circuit A has more gates than circuit B

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