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Testes e exames

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5.3. Represente o logigrama da saída S1.

6. Indique, justificando, os níveis lógicos das saídas do somador completo de 4 bits representado.

7483

1

0

0

0

1

0

1

0

0

3

0

3

P

Q

0

3

1

Ci

Co

7. Com dois somadores completos de 4 bits, implemente um somador completo de 8 bits. Faça as ligações,

indique as entradas A0, A1, .. A7; B0, B1, … B7; as saídas S0, S1, … S7 e Co. Ligue ao valor lógico adequado a

entrada Ci do comparador menos significativo.

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