let A=0000 ~A=1111 A+~A=1111=~A now let A=1111 ~A =0000

value of 4 bit A+~A

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Answer Posted / ramanareddy

let A=0000
~A=1111
A+~A=1111=~A
now let A=1111
~A =0000
A+~A=1111=A
so either A or ~A

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