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What will be the value of input A and B ...

What will be the value of input A and B for the boolean equation `(bar(A+B))*(bar(A*B))=1`?

A

0, 0

B

0, 1

C

1, 0

D

1, 1

Text Solution

Verified by Experts

The correct Answer is:
A
0, 0
`(bar(A+B))*(bar(A*B))=1`
`therefore (barA*barB)*(barA+barB)=1`
`therefore (barA*barA)*barB+barA*(barB*barB)=1`
`therefore barA*barB+barAbarB=barA*barB`
The truth table is as follows:

`therefore` From truth table if Y = 1 then A = 0, B = 0
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