34.下列何種輸入組合在 R-S 正反器(flip-flop)中一般是禁止存在的?
(A) S = 1、R = 1
(B) S = 1、R = 0
(C)S = 0、R = 1
(D) S = 0、R = 0

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統計: A(0), B(0), C(0), D(1), E(0) #2552401