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?

mcq7_1025_1

[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 Vcc.

Answer: Option B

Explanation:

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