A positive edge-triggered flip-flop changes its state when

1.	A positive edge-triggered flip-flop changes its state when
A.	low-to-high transition of clock
B.	high-to-low transition of clock
C.	enable input (en) is set
D.	preset input (pre) is set
Answer» B. high-to-low transition of clock

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A positive edge-triggered flip-flop changes its state when

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