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For a binary half subtractor having two inputs A and B the correct sets of logical expressions for the outputs D (A - B) and X = Borrow are | |
A. | D = AB + AB, X = AB [Wrong Answer] |
B. | D = AB AB, X = AB [Wrong Answer] |
C. | D = AB + AB, X = AB [Correct Answer] |
D. | D = AB + A B, X = AB [Wrong Answer] |