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The Booleam expression for the given cir...

The Booleam expression for the given circuit is

A

`bar(A.B)`

B

`A+B`

C

`barA+B`

D

`A+barB`

Text Solution

Verified by Experts

The correct Answer is:
A

`Y=bar(A.B)+bar(barA+B)`
`=barA+barB+barbarA.barB" (By De Morgan.s theorem)"`
`=barA+barB+A.barB" "(because barbarA=A)`
`=barA+barB+barB.A" "("Using "A.barB=barB.A)`
`=barA+barB=bar(A.B)" "("Using "1+A=1)`
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