Consider two master-slave flip-flops driven by the same clock: a JK flip-flop…

GATE · 2000 · CS · Question 2 subpartsModified — slightly modified from the official paper; see the solution

Consider two master-slave flip-flops driven by the same clock: a JK flip-flop with output P and inputs J = K = 1, and a D flip-flop with output Q whose D input is connected to P.

The initial state is (P, Q) = (0, 1). After three clock cycles, the output state (P, Q) is:

  1. A.

    1, 0

  2. B.

    1, 1

  3. C.

    0, 0

  4. D.

    0, 1

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Correct answer: A

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