Digital Electronics - Combinational Logic Circuits - Discussion

Discussion Forum : Combinational Logic Circuits - General Questions (Q.No. 1)
1.
How many 3-line-to-8-line decoders are required for a 1-of-32 decoder?
1
2
4
8
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
14 comments Page 2 of 2.

MVP said:   8 years ago
Decoders having 2^m outputs and m inputs w.r.t this to obtain 32(2^5) output lines we need 5input lines.

How come you can make 1-32 decoder?

Keerthi said:   8 years ago
Your explanation is simple and clear to understand @Ayyappa.

Rajashekar said:   8 years ago
(32÷8) + (4÷8) =4.5.

So, the answer is 4.

Suren said:   6 years ago
5 input lines is the correct answer.


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