
Quiz sobre o Protótipo do Painel de Senhas
Authored by LEANDRO MARCOS WEIZENMANN
Mathematics
11th Grade

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a principal função do buzzer passivo no protótipo do painel de senhas?
Apresentar o número da senha no display.
Emitir um som para alertar o usuário.
Controlar os push buttons conectados.
Armazenar o valor da senha.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que acontece com a variável senha ao pressionar os push buttons?
O display OLED é desligado.
O buzzer é ativado por 10 segundos.
A senha é atualizada para mais ou para menos.
A senha é apagada automaticamente.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De acordo com a função tone(pino, frequência, duração), o que o buzzer fará quando acionado no protótipo?
Emitirá melodia com duas notas.
Incrementará o valor da senha.
Limpará o display OLED.
Fará o botão piscar com uma luz.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a porta digital usada para conectar o buzzer no protótipo?
Porta 3
Porta 2
Porta 1
Porta 0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como deve ser declarada a variável que armazena a senha no código do Arduino?
char senha = ‘1’;
bool senha = false;
string senha = "1";
int senha = 1;
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