Using half-adders and full-adders as a block together with external gates, design the following circuit in the most efficient way possible. S = A + B - C +D (A, B, C and D are 3-bit numbers and should be represented as AzA¡Ao, B2B¡Bo, C2C1C0 and D½D¬D0)

Using half-adders and full-adders as a block together with external gates, design the following circuit in the most efficient way possible. S = A + B - C +D (A, B, C and D are 3-bit numbers and should be represented as AzA¡Ao, B2B¡Bo, C2C1C0 and D½D¬D0)

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

Using half-adders and full-adders as a block together with external gates, design the
following circuit in the most efficient way possible.
S = A + B - C +D (A, B, C and D are 3-bit numbers and should be represented as A2A1A0,
B2B¡Bo, C2C1C0 and D2D¡Do)

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