Digital Electronics and Logic Design MCQs with answers Page - 1

Here, you will find a collection of MCQ questions on Digital Electronics and Logic Design. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. The 2s compliment form (Use 6 bit word) of the number 1010 is

  • (A) 111100
  • (B) 110110
  • (C) 110111
  • (D) 1011

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Q. The hexadecimal number equivalent to (1762.46)8 is

  • (A) 3f2.89
  • (B) 3f2.98
  • (C) 2f3.89
  • (D) 2f3.98

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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

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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

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

  • (A) sign magnitude
  • (B) 2s complement
  • (C) 1s complement
  • (D) all of the above

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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

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Q. The answer of the operation (10111)2*(1110)2 in hex equivalence is

  • (A) 150
  • (B) 241
  • (C) 142
  • (D) 1.01e+08

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