(a) Design a half-subtractor circuit with inputs x and y and outputs Diff and B out . The circuit subtracts the bits x − y and places the difference in D and the borrow in B out .(b) Design a full-subtractor circuit with three inputs x, y, B in and two outputs Diff and B out . The circuit subtracts x − y − B in , where B in is the input borrow, B out is the output borrow, and Diff is the difference.
(a) Design a half-subtractor circuit with inputs x and y and outputs Diff and B out . The circuit subtracts the bits x − y and places the difference in D and the borrow in B out .(b) Design a full-subtractor circuit with three inputs x, y, B in and two outputs Diff and B out . The circuit subtracts x − y − B in , where B in is the input borrow, B out is the output borrow, and Diff is the difference.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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(a) Design a half-subtractor circuit with inputs x and y and outputs Diff and B out . The circuit subtracts the bits x − y and places the difference in D and the borrow in B out .
(b) Design a full-subtractor circuit with three inputs x, y, B in and two outputs Diff and B out . The circuit subtracts x − y − B in , where B in is the input borrow, B out is the output borrow, and Diff is the difference.
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Half Subtractor circuit:-
A half subtractor is a difference and borrows combination circuit consists of two inputs and two outputs.
The output (Borrow) shows whether a 1 has been borrowed, as well as the difference in the two binary bits input.
A is referred to as a Minuend bit in the subtraction (A-B), and B is referred to as a Subtrahend bit.
Step 2
a)
The truth table for the half subtractor is shown below,
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