Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Step 1: Introduction of Boolean Expression:
It is a mathematical expression which consists of variables, constants, and the logical operators like AND, OR, NOT and evaluates a Boolean value, that is either true or false.
A Boolean function can be represented in two forms:
1) SOP (Sum of products): It is the sum of minterm where minterm is function variable combination for which the output is 1.
SOP representation: F = Σ (minterms)
2) POS (Product of sum): It is a product of maxterm that gives the expression where maxterm is function variable combination for which the output is 0.
POS representation: F = Π (maxterms)
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