Digital Electronics - Counters - Discussion

Discussion Forum : Counters - Filling the Blanks (Q.No. 19)
19.
An asynchronous binary up counter, made from a series of leading edge-triggered flip-flops, can be changed to a down counter by ________.
taking the output on the other side of the flip-flops ( instead of Q)
clocking of each succeeding flip-flop from the other side ( instead of Q)
changing the flip-flops to trailing edge triggering
all of the above
Answer: Option
Explanation:
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