# Counters – 58

58. The circuit given below has no output on Q1 when examined with an oscilloscope. All J-K inputs are HIGH, the CLK signal is present, and the Q0 is toggling. The C input of FF1 is a constant LOW. What could be causing the problem?

(a) The Q0 output should be connected to the J input of FF1.
(b) The output of FF0 may be shorted to ground.
(c) The input of FF1 may be shorted to ground.
(d) Either the output of FF0 or the input of FF1 may be shorted to ground.

Explanation
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