Which Boolean expression represents the Borrow output of a half-subtractor?
Options
-
A.
A AND B
-
B.
A XOR B
-
C.
A' AND B
-
D.
A OR B
-
E.
None of the above
Correct Answer (Detailed Explanation is Below)
C.
A' AND B
Detailed Explanation
Correct Answer: (C) A' AND BFor a half-subtractor, Borrow = A' · B. A borrow is required when the minuend A is 0 and the subtrahend B is 1.