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Question 5 For an edge-triggered D flip-flop, which of the following statements

ID: 1847518 • Letter: Q

Question

Question 5

For an edge-triggered D flip-flop, which of the following statements is false?

D flip-flops must be positive edge-triggered.

A change in the state of the flip-flop can occur only at a clock pulse edge.

The output follows the input at each clock pulse.

The state that the flip-flop goes to depends on the D input.

A.

D flip-flops must be positive edge-triggered.

B.

A change in the state of the flip-flop can occur only at a clock pulse edge.

C.

The output follows the input at each clock pulse.

D.

The state that the flip-flop goes to depends on the D input.

Explanation / Answer

A D FF must be positive edge-triggered......FALSE DFF can also be negative edge triggered....

B Chnage in the state takse placeonly at clock pulse....true....only at the clock edge the output of DFF changes

C is also similar to B TRUE...

.D The state that the flip-flop goes to depends on the D input. ....TRUE ......the next state of the DFF depends on the D input

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