Which of the following inputs of JK flip-flop clear it (i.e. stores 0)?

2022

Which of the following inputs of JK flip-flop clear it (i.e. stores 0)?

  1. A.

    J = 0, K = 0

  2. B.

    J = 0, K = 1

  3. C.

    J = 1, K = 0

  4. D.

    J = 1, K = 1

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Show answer & explanation

Correct answer: B

In a JK flip-flop, the clear or reset function occurs when J is set to 0 and K is set to 1. This input combination forces the output Q to logic 0 regardless of the previous state.

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