Q. A three input NOR gate gives logic high output only when

  • (A) one input is high
  • (B) one input is low
  • (C) two input are low
  • (D) all input are low
πŸ’¬ Discuss
βœ… Correct Answer: (D) all input are low

Q. The absorption law in Boolean algebra say that

  • (A) x + x = x
  • (B) x . y = x
  • (C) x + x . y = x
  • (D) none of the above
πŸ’¬ Discuss
βœ… Correct Answer: (C) x + x . y = x

Q. The negative numbers in the binary system can be represented by

  • (A) sign magnitude
  • (B) 2\s complement
  • (C) 1\s complement
  • (D) all of the above
πŸ’¬ Discuss
βœ… Correct Answer: (A) sign magnitude

Q. Negative numbers cannot be represented in

  • (A) signed magnitude form
  • (B) 1’s complement form
  • (C) 2’s complement form
  • (D) none of the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) none of the above

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