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Lecture5

# Lecture5 - Min and Max terms(cont • How can we write the...

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ENSC150 Lecture 5 Agenda Minterms Maxterms Using minterms and maxterms to write the Boolean equation of a function from its Truth Table 1/4 Lecture 5 Atousa Hajshirmohammadi

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Min and Max Terms Minterm: The “product term” corresponding to each row of the inputs of a TT, that makes that row and only that row result in a “1”. Maxterm: The complement (inverse) of the minterm. Inputs Output minterm symbol maxterm symbol X Y Z F 0 0 0 0 0 1 0 1 0 0 1 1 1 0 0 1 0 1 1 1 0 1 1 1 Maxterm is a “sum term”corresponding to each row of the inputs of a TT, that makes that row and only that row results in a “ ”. Note: minterm and maxterm are independent of the output as you can see from the table. 2/4 Lecture 5 Atousa Hajshirmohammadi

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Unformatted text preview: Min and Max terms (cont.) • How can we write the Boolean equation using the minterms? • How can we write the Boolean equation using the maxterms? • Let’s put some values in our previous TT: Inputs Output minterm symbol maxterm symbol X Y Z F 1 m M 1 m 1 M 1 1 m 2 M 2 1 1 m 3 M 3 1 1 m 4 M 4 1 1 1 m 5 M 5 1 1 m 6 M 6 1 1 1 m 7 M 7 • Using minterms: F = • Using max terms: F = 3/4 Lecture 5 Atousa Hajshirmohammadi Another Example X Y Z F 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 4/4 Lecture 5 Atousa Hajshirmohammadi...
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• Spring '09