Electronics - Combinational Logic Circuits - Discussion

1. 

How many inputs are required for a 1-of-10 BCD decoder?

[A]. 4
[B]. 8
[C]. 10
[D]. 1

Answer: Option A

Explanation:

No answer description available for this question.

Isha said: (Feb 10, 2011)  
8421 used for converting no's into binary coded form.

Chandan said: (Feb 16, 2011)  
Maximum no. of bits used will be 4 (for 8,9,10).

Tamil said: (Mar 12, 2011)  
10 represent in 4 bits

Alok said: (Aug 7, 2011)  
(2^3)<10<(2^4)

Naga said: (May 16, 2012)  
For representing 10 it was necessary 4 bits.

Mounika said: (Sep 11, 2012)  
For given m bit data, 2^n is the maximum decimal equivalent.
It should satisfy (2^m) < (2^n).

Gokul said: (Feb 25, 2017)  
The code 8421 is used for conversion of BCD values.

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