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**Draw truth table and logic diagram of Full subtractor.**

Mumbai University > Electronics Engineering > Sem 3 > Digital Circuits and Design

Marks: 5M

Year: May 2016

1  upvotes
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  • The full subtractor is a combinational circuit with three inputs A, B and Bin and two outputs D and Bo. A is the minuend, B is the subtrahend, Bin is the borrow produced by the previous state. D is the difference output and Bo is the Borrow output.

The truth table of full subtractor is as follows:

| Inputs | Outputs | |--------|---------|

A B Bin A-B-Bin Bo
0 0 0 0 0
0 0 1 1 1
0 1 0 1 1
1 1 1 0 1
1 0 0 1 0
1 0 1 0 0
1 1 0 0 0
1 1 1 1 1

Logic Diagram:-

enter image description here

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