UGC-NET | UGC NET CS 2017 Jan – II | Question 8

A binary 3-bit down counter uses J-K flip-flops, FF_i with inputs J_i, K_i and outputs Q_i, i = 0, 1, 2 respectively. The minimized expression for the input from following, is

(A)

I, III, V

(B)

I, IV, VI

(C)

II, III, V

(D)

II, IV, VI

Answer: (D)
Explanation:
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