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71. Which of the following describes the operation of a positive edge-triggered D flip-flop?
(a) If both inputs are HIGH, the output will toggle.
(b) The output will follow the input on the leading edge of the clock.
(c) When both inputs are LOW, an invalid state exists.
(d) The input is toggled into the flip-flop on the leading edge of the clock and is passed to the output on the trailing edge of the clock.
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5555555555 40. Which of the following describes the operation of a positive edge-triggered D-type flip-flop? (a) If both inputs are HIGH, the output will toggle. (b) The output will follow the input on the leading edge of the clock. (c) When both inputs are LOW, an invalid state exists. (d) The input is toggled into the flip-flop on the leading edge of the clock and is passed to the output on the trailing edge of the clock.- 555555555574. If both inputs of an S-R flip-flop are LOW, what will happen when the clock goes high? (a) No change will occur in the output. (b) An invalid state will exist. (c) The output will toggle. (d) The output will reset.
- 5555555555135. A positive edge-triggered flip-flop will accept inputs only when the clock ________. (a) is LOW (b) changes from HIGH to LOW (c) is HIGH (d) changes from LOW to HIGH
- 5555555555113. If both inputs of an S-R flip-flop are low, what will happen when the clock goes HIGH? (a) An invalid state will exist. (b) No change will occur in the output. (c) The output will toggle. (d) The output will reset.
- 555555555573. What is one disadvantage of an S-R flip-flop? (a) It has no enable input. (b) It has an invalid state. (c) It has no clock input. (d) It has only a single output.