Digital Electronics - GATE practice papers - Electronics & Communication for Q. 512

Q.  It the input clock frequency of eight flip-flops is 768kHz, then what would be the value of its output frequency? (Marks : 01)
- Published on 19 Oct 15

a. 2 kHz
b. 3 kHz
c. 6 kHz
d. 18 kHz

ANSWER: 3 kHz
 
Given:
Input frequency = 768 kHz
The output frequency of eight flipflops = (1 / 28) x Input frequency
= (1 / 28 ) x 768
= 768 / 256
= 3 kHz

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