Digital Electronics - Flip-Flops - Discussion

Discussion Forum : Flip-Flops - General Questions (Q.No. 78)
78.
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
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

Shyam gupta said:   1 decade ago
32/2=16:-first flip-flop

16/2=8:- second flip-flop

8/2=4:- third flip-flop

4/2=2:- fourth flip-flop
(1)

Sravan said:   1 decade ago
o.p. frequency=i.p.frequency/(2^n) where n is number of flipflops

Tulasiram said:   1 decade ago
Is this formula applicable for remaining FF's?

Krishna said:   5 years ago
ls the output same when we use t flip-flop instead of jk flip-flop?

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