Download Aptitude Crack
img not found img not found

Code Converters and Multiplexers

Q1:

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

A 4

B 8

C 10

D 1

ANS:A - 4

The decoder is a combinational circuit that has 'n' input lines and maximum of 2^n output lines.
So, 1-of-10 BCD decoder has n=4 inputs; 2^4 = 16 output lines.
1 Extra line that is for ENABLE signal which is normally active low.



img not found
img

For help Students Orientation
Mcqs Questions

One stop destination for examination, preparation, recruitment, and more. Specially designed online test to solve all your preparation worries. Go wherever you want to and practice whenever you want, using the online test platform.