counters digital-electronics question and answers -Page 10

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Counters problems

1. Parallel in/parallel out registers have parallel input and output busses.
Options
A. True
B. False

Correct Answer: True

2. A glitch is a short pulse resulting in an undesired result in a digital circuit.
Options
A. True
B. False

Correct Answer: True

3. The term synchronous refers to events that do not occur at the same time.
Options
A. True
B. False

Correct Answer: False

4. The modulus of a counter is the actual number of states in its sequence.
Options
A. True
B. False

Correct Answer: True

5. All decade counters are BCD counters.
Options
A. True
B. False

Correct Answer: False

6. In VHDL, when we want to remember a value it must be stored in a VARIABLE.
Options
A. True
B. False

Correct Answer: True

7. 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

Correct Answer: True

8. A ripple counter is an asynchronous counter.
Options
A. True
B. False

Correct Answer: True

9. Shift registers are used to store and transfer data.
Options
A. True
B. False

Correct Answer: True

10. 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

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