Digital Electronics - Flip-Flops - Discussion
Discussion Forum : Flip-Flops - General Questions (Q.No. 6)
6.
How many flip-flops are required to produce a divide-by-128 device?
Discussion:
16 comments Page 2 of 2.
Mani shanker bhardwaj said:
9 years ago
Which of the following circuit is a parallel to serial converter?
A) digital counter
B) decoder
C) demultiplexer
D) multiplexer
Please give me the answer.
A) digital counter
B) decoder
C) demultiplexer
D) multiplexer
Please give me the answer.
Viki said:
9 years ago
It is multiplexer @Mani Shanker.
Ranjitha v said:
8 years ago
I think 7. This is no series count value of (1 2 4 8 16 32 64) -2^7=64.
SUMASRI said:
7 years ago
The no of flip-flops required is 7 because,
2^n=128,
=>2^n=2^7,
=>n=7,
Hence we require 7 flipflops.
2^n=128,
=>2^n=2^7,
=>n=7,
Hence we require 7 flipflops.
Kundan mani said:
7 years ago
2^6=64. So we need 6 flip-flops.
Sachin bhardwaj said:
6 years ago
Thanks all for explaining.
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