A Full Subtractor Circuit Requires______.

Answer – D. three inputs and two outputs.

A full subtractor circuit requires three inputs and two outputs.

Solution:

A full subtractor is a combinational circuit that takes care of the subtraction of two bits, one is minuend and other is subtrahend, taking into account borrow of the previous adjacent lower minuend bit. A full subtractor circuit requires three inputs and two outputs. The three inputs A, B and Bin, represent the minuend, subtrahend, and previous borrow, respectively. The two outputs, D and Bout denote the difference and output borrow, respectively.

Therefore, A full subtractor circuit requires three inputs and two outputs. Hence, Option (D) is the correct answer.

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