  # A Full Subtractor Circuit Requires______.

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Updated on: September 25th, 2023 A full subtractor circuit requires_________. Choose the right answer to the question from the following options:

1. two inputs and two outputs
2. two inputs and three outputs
3. three inputs and one output
4. three inputs and two outputs

Table of content ## 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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