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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Question

Digital Logic Design
4-bit Binary Adder / Subtractor

please answer the whole sheet

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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