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Aula 2 - Paridade e Algebra de Boole.SEL405 - Iris.sel.eesc.sc.usp.br

Aula 2 - Paridade e Algebra de Boole.SEL405 - Iris.sel.eesc.sc.usp.br

Aula 2 - Paridade e Algebra de Boole.SEL405 - Iris.sel.eesc.sc.usp.br

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GERADOR / VERIFICADOR DE PARIDADE PAR<<strong>br</strong> />

ASSOCIAÇÃO DE PORTAS X-OR<<strong>br</strong> />

l <strong>Parida<strong>de</strong></strong> em palavras com<<strong>br</strong> />

maior número <strong>de</strong> bits;<<strong>br</strong> />

A<<strong>br</strong> />

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B<<strong>br</strong> />

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C<<strong>br</strong> />

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S<<strong>br</strong> />

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l Associam-se n portas X-OR <strong>de</strong><<strong>br</strong> />

duas entradas<<strong>br</strong> />

l Não existem portas X-OR <strong>de</strong><<strong>br</strong> />

mais <strong>de</strong> duas entradas!<<strong>br</strong> />

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0<<strong>br</strong> />

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A<<strong>br</strong> />

S<<strong>br</strong> />

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B<<strong>br</strong> />

C<<strong>br</strong> />

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S = A ⊕ B ⊕ C

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