Gateforum Test Series: Digital Logic - Multiplexer

Question

The answer is given B. Please explain the approach.

Comments

then it is fine :)

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can u explain  again not getting

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yes Option B is right

Answer 1

see the inputs to I0,I1,I2,I3 in terms of a variable is A...

so make a table like this:

Circle the min terms which are given as 2,3,4,&7

 

Comments

can I also check with respect to B or C , if options are provided that way?

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First A' will be there and below it, A. is this the case always?