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Electronics - Sequential Logic Circuits

Exercise : Sequential Logic Circuits - General Questions
1.
A ripple counter's speed is limited by the propagation delay of:
each flip-flop
all flip-flops and gates
the flip-flops only with gates
only circuit gates
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
To operate correctly, starting a ring counter requires:
clearing all the flip-flops
presetting one flip-flop and clearing all the others
clearing one flip-flop and presetting all the others
presetting all the flip-flops
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
What type of register would shift a complete binary number in one bit at a time and shift all the stored bits out one bit at a time?
PIPO
SISO
SIPO
PISO
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Synchronous counters eliminate the delay problems encountered with asynchronous (ripple) counters because the:
input clock pulses are applied only to the first and last stages
input clock pulses are applied only to the last stage
input clock pulses are not used to activate any of the counter stages
input clock pulses are applied simultaneously to each stage
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
One of the major drawbacks to the use of asynchronous counters is that:
low-frequency applications are limited because of internal propagation delays
high-frequency applications are limited because of internal propagation delays
Asynchronous counters do not have major drawbacks and are suitable for use in high- and low-frequency counting applications.
Asynchronous counters do not have propagation delays, which limits their use in high-frequency applications.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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