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) When both inputs are low, an invalid state will exist.
C) The output will follow the input on the leading edge of the clock.
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.
Question 2
An intersective method of pulse width modulation ________.
A) compares the value of a pulse waveform intersecting the modulating signal to determine the pulse width
B) compares the value of a reference sine wave intersecting the modulating signal to determine the pulse width
C) compares the value of a sawtooth waveform intersecting the modulating signal to determine the pulse width
D) compares the value of a reference dc voltage intersecting the modulating signal to determine the pulse width
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