Counters

Q1: The circuit given below fails to produce data output. The individual flip-flops are checked with a logic probe and pulser, and each checks OK. What could be causing the problem?

A The data output line may be grounded.

B One of the clock input lines may be open.

C One of the interconnect lines between two stages may have a solder bridge to ground.

D One of the flip-flops may have a solder bridge between its input and V_cc.

ANS:B - One of the clock input lines may be open.

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