An asynchronous binary up counter, made from a series of leading edge- – McqOptions

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1.	An asynchronous binary up counter, made from a series of leading edge-triggered flip-flops, can be changed to a down counter by ________.
A.	taking the output on the other side of the flip-flops ( instead of Q)
B.	clocking of each succeeding flip-flop from the other side ( instead of Q)
C.	changing the flip-flops to trailing edge triggering
D.	all of the above
Answer» E.

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