For a binary half-subtractor having two inputs A and B, the correct set of logical expressions for the outputs D (= A minus B) and X (= borrow) are ?

Question

Admin · Accepted Answer

D=A&rsquo;B + AB&rsquo;, X = A&rsquo;B

Admin · Answer

D=AB+ A&rsquo;B, X = A&rsquo;B

Admin · Answer

D=A&rsquo;B+ AB&rsquo; + AB, X= AB&rsquo;

Admin · Answer

D=AB+ A&rsquo;B&rsquo;, X= AB&rsquo;

Q. For a binary half-subtractor having two inputs A and B, the correct set of logical expressions for the outputs D (= A minus B) and X (= borrow) are ?