ISRO Computer Science (CSE) 2015 - Question 4

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A modulus-12 ring counter requires a minimum of

  • A. 10 flip-flops
  • B. 12 flip-flops
  • C. 8 flip-flops
  • D. 6 flip-flops

Answer: B. 12 flip-flops

Explanation: A ring counter requires N flip-flops for N states (modulus N).

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