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Digital Electronics - Flip-Flops

Exercise : Flip-Flops - General Questions
46.
Edge-triggered flip-flops must have:
very fast response times
at least two inputs to handle rising and falling edges
positive edge-detection circuits
negative edge-detection circuits
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
A 555 operating as a monostable multivibrator has an R1 of 220 k. Determine C1 for a pulse width of 4 ms.
0.017 F
17 pF
170 pF
1,700 F
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
What is one disadvantage of an S-R flip-flop?
It has no enable input.
It has an invalid state.
It has no clock input.
It has only a single output.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
To completely load and then unload an 8-bit register requires how many clock pulses?
2
4
8
16
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
What is one disadvantage of an S-R flip-flop?
It has no enable input.
It has an invalid state.
It has no clock input.
It has only a single output.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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