Multiple choice

A 0 to 6 counter consists of 3 flip flops and a combination circuit of 2 input gate(s). The combination circuit consists of

  1. one AND gate

  2. one OR gate

  3. one AND gate and one OR gate

  4. two AND gates
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Counter must be reset when it count 111. This can be implemented by following circuitry:

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