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Testes e exames

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4. Considere a identidade A ∙ B + A ∙ B̅ = A

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4.1. Comprove-a através de uma tabela de verdade.

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4.2. Escreva a respetiva identidade dual.

5. Aplicando as propriedades e os teoremas da álgebra de Boole, simplifique as seguintes expressões:

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5.1. F = A + A ∙ B + A̅

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5.2. S = C ∙ B̅ ∙ A + C̅ ∙ B̅ ∙ A + C ∙ C̅

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5.3. Z = (M ̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅

+ N̅) ∙ (M̅ + N)

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