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Electronics and Communication Engineering - Digital Electronics - Discussion

Discussion Forum : Digital Electronics - Section 12 (Q.No. 30)
Digital Electronics
30.
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
D = AB + AB, X = AB
D = AB AB, X = AB
D = AB + AB, X = AB
D = AB + A B, X = AB
Answer: Option
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