Digital Logic Design – Digital Electronics MCQs Set-25 Contain the randomly compiled Digital Logic Design MCQs from various reference books and Questions papers for those who is preparing for the various Competitive Exams,Interviews and University Level Exams.

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1. A NOR gate is ON only when all it’s inputs are

  • ON
  • positive
  • high
  • OFF

2. For getting an output from an XNOR gate, its both inputs must be

  • high
  • low
  • at the same logic level 
  • at the apposite logic level

3. Karnaugh map (K-map) technique provides a systematic method for simplifying ———–

  • multiplexers
  • lgic gates
  • Boolean expressions 
  • none of these

4. K-map technique generally used up to ——–Variables

  • 2
  •  8
  • 7

5. In K-map a quad is group of ——— 1’s

  • 2
  • 6
  • 8

6. A octal is group of ——-1’s

  • 2
  • 6
  • 4
  • 8

7. K –map for Half adder is of ———- Variables

  • 3
  • 4
  • None of these

8. K-map for Full adder is of ———– Variables

  • 2
  • 3
  • 4
  • None of these

9. A Register is a group of ———

  • OR gates
  • OR & AND gate
  • Flip-flops 
  • None of these
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