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- Question
A J-K flip-flop excitation table lists the present state, the next state, and the J and K levels required to produce each transition.
Options- A. True
- B. False
- Correct Answer
- True
- 1. Shift registers are used to store and transfer data.
Options- A. True
- B. False Discuss
- 2. A ripple counter is an asynchronous counter.
Options- A. True
- B. False Discuss
- 3. The term synchronous, as applied to counter operations, means that the counter is clocked such that each flip-flop in the counter is triggered at the same time.
Options- A. True
- B. False Discuss
- 4. In VHDL, when we want to remember a value it must be stored in a VARIABLE.
Options- A. True
- B. False Discuss
- 5. All decade counters are BCD counters.
Options- A. True
- B. False Discuss
- 6. Counters are generally decoded in order to determine their count state.
Options- A. True
- B. False Discuss
- 7. Phototransistors have varying resistance from collector to emitter, depending on how much light strikes them.
Options- A. True
- B. False Discuss
- 8. An asynchronous counter differs from a synchronous counter in the method of clocking.
Options- A. True
- B. False Discuss
- 9. When a J-K flip-flop is used in a circuit, we only have to consider the level at J and K at the active clock edge to know the states of the outputs.
Options- A. True
- B. False Discuss
- 10. The MOD number of a Johnson counter will always be equal to one-half the number of flip-flops in the counter.
Options- A. True
- B. False Discuss
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