For realizing a binary half-subtractor having two inputs A and B, the current set of logical expression for the outputs D (A minus B) and X (borrow) are1. The difference output D = A̅B + AB̅2. The borrow output B = AB̅Which of the above statements is/are correct?

For realizing a binary half-subtractor having two inputs A and B, the

1.	For realizing a binary half-subtractor having two inputs A and B, the current set of logical expression for the outputs D (A minus B) and X (borrow) are1. The difference output D = A̅B + AB̅2. The borrow output B = AB̅Which of the above statements is/are correct?
A.	1 only
B.	2 only
C.	Both 1 and 2
D.	Neither 1 nor 2
Answer» B. 2 only