DIGITAL LOGIC

Question

WHAT SHOULD BE THE ANSWER?

Comments

i was also getting a only, but in the answer key option b was there, so i got confused!

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Gate Fever oops b is correct they want 2's complement of result. 

result is $10111001$ and 2's complement will be $01000111$

 

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@Mk Utkarsh

yes bro.... i also didn't notice that !