What does the circle on the clock input of a J-K flip-flop mean?(a) Level enabled(b) Positive edge triggered(c) negative edge triggered(d) Level triggeredThis question was posed to me in final exam.The origin of the question is Triggering of Flip Flops topic in chapter Flip-Flops of Digital Circuits

What does the circle on the clock input of a J-K flip-flop mean?(a) Le

1.	What does the circle on the clock input of a J-K flip-flop mean?(a) Level enabled(b) Positive edge triggered(c) negative edge triggered(d) Level triggeredThis question was posed to me in final exam.The origin of the question is Triggering of Flip Flops topic in chapter Flip-Flops of Digital Circuits
Answer» Right option is (c) negative EDGE triggered Explanation: The circle on the clock input of a J-K flip-flop mean negative edge triggered. WHEREAS the absence of TRIANGLE symbol IMPLIES that the flip-flop is level-triggered.

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