Digital Electronics-Flips-Flops
Digital Electronics-Flips-Flops
61. The pulse width of a one-shot circuit is determined by ________.
- a resistor and capacitor
- two resistors
- two capacitors
- none of the above
62. For an S-R flip-flop to be set or reset, the respective input must be:
- installed with steering diodes
- in parallel with a limiting resistor
- LOW
- HIGH
63. If both inputs of an S-R flip-flop are LOW, what will happen when the clock goes high?
- No change will occur in the output.
- An invalid state will exist.
- The output will toggle.
- The output will reset.
64. Four J-K flip-flops are cascaded with their J-K inputs tied HIGH. If the input frequency (fin) to the first flip-flop is 32 kHz, the output frequency (fout) is ________.
- 1 kHz
- 2 kHz
- 4 kHz
- 16 kHz