Answered: How would I make a logic table?

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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How would I make a logic table?

Expert Solution

Step 1

Logic Table:

Logic Table or also known as Truth Table are used to understand and learn the behavior of the logic gates. The following assumption are made while drawing a truth table:

They show the relation between an input(s) and output(s).
The input(s) are usually on the left side columns of the truth table with different possible combination of value. The values are commonly denoted by generating the input in binary.
The output(s) is shown on the right side and is also represented in binary.

Logic Gate:

Logic gateways are the core components of any digital system. It is an electrical device with one or more inputs, and one output only. The input-output relation is built upon a certain logic. The logic gates are named based upon the logic used such as OR gate, AND gate, NOT gate, etcetera.

The gate used in the image is AND gate and only gives output as 1 or true or high when both the inputs are 1 or true or high. In any other case the output 0 or false or low.

Step 2

For AND Gate E

A	B	E
0	0	0
0	1	0
1	0	0
1	1	1

For AND Gate F

C	D	F
0	0	0
0	1	0
1	0	0
1	1	1

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Fundamentals of Boolean Algebra and Digital Logics

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