Create a table which shows the outputs of the circuit in signed decimal representation when the inputs change from the largest possible number to the smallest number. When the carry is discarded, the result 4-bit long. Which combination of inputs result in an overflow.
Create a table which shows the outputs of the circuit in signed decimal representation when the inputs change from the largest possible number to the smallest number. When the carry is discarded, the result 4-bit long. Which combination of inputs result in an overflow.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Digital Logic Design
4-bit Binary Adder / Subtractor
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Transcribed Image Text:4. Create a table which shows the outputs of the circuit in signed decimal representation when the inputs
change from the largest possible number to the smallest number. When the carry is discarded, the result is
4-bit long. Which combination of inputs result in an overflow.
Inputs
Outputs (According to the Mode)
M1=0, Mo=0
M1=0, Mo=1
M1=1, Mo=0
Overflow
Overflow
В-А
Overflow
A
A+B
А-В
(Y/N)
(Y/N)
(Y/N)
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