1.

For one of the following conditions, clocked J-K flip-flop can be used as a divide-by-2 circuit when the input signal is applied at clock-input

A. J = K = 1 and flip-flop has active-HIGH inputs
B. J = K = 0 and flip-flop has active-HIGH inputs
C. J = K = 1 and flip-flop active-Low inputs
D. J = K = 1 and flip-flop should be a negative edge triggered.
Answer» B. J = K = 0 and flip-flop has active-HIGH inputs


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