
PORTAS DIGITAIS
Authored by Olney Joner
Physics
University
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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1)Qual a expressão booliana correta:
A) X=A.B+A.B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2) Qual a função representada pelo circuito elétrico.
A) Função OU (OR)
B) Função NÃO (NOT)
C) Função OU Exclusivo (XOR)
D) Porta Lógica E (AND)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3) Analise e assinale qual a sequência correta.
A) 1,2,3,4
B) 4,3,2,1
C) 1,2,4,3
D) 4,3,1,2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4) Qual a alternativa correta das características do micro digital.
4portas cada porta tem 2entradas e 1saída
2portas cada porta tem 2entradas e 1saída
4portas cada porta tem 1entrada e 2saídas
8portas cada porta tem 2entradas e 1saída
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5) Qual o nível lógico correto para acionar o led na porta digital tipo (E ou END)
A) 0 , 0
A) 1 , 0
A) 0 , 1
A) 1 , 1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A principal característica do diodo retificador é
Permitir a circulação de corrente nos dois sentidos
Permitir a circulação de corrente somente no sentido direto
Permitir a circulação de corrente somente no sentido reverso
Não permitir a circulação de corrente em nenhum sentido
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Marque a sequência correta de componentes numa fonte de alimentação
Transformador – capacitor polarizado – diodo
Transformador – diodo – capacitor polarizado
Diodo – transformador – capacitor polarizado
Diodo – transformador – capacitor
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