
ECOP04 - Display de LCD
Authored by Rodrigo Almeida
Computers
University - Professional Development
Used 6+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Os LCD's compatívels com o padrão HD44780 podem receber
Comandos, Eventos e Dados
Comandos e Dados
Comandos e Eventos
Eventos e Dados
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Porque precisamos aguardar um tempo (delay) entre cada envio para o LCD?
Porque o LCD possui um microcontrolador que tem limitação na velocidade de leitura
Para não gerar problemas de compatibilidade eletromagnética
Porque alguem quis assim.
Porque o barramento não consegue transmitir a velocidades muito altas
3.
MULTIPLE CHOICE QUESTION
10 sec • 5 pts
É vantajoso utilizar um display de LCD sobre um display de 7 segmentos?
Sim
Não
???
4.
MULTIPLE CHOICE QUESTION
10 sec • 5 pts
Para exibir um número em displays de LCD deve-se:
Enviar o valor desejado
Enviar o algarismo desejado
Enviar a letra desejada
Não é possível.
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Na comunicação com o display de LCD utilizamos:
Números codificados em hexadecimal
Números codificados em decimal
Letras codificadas em hexadecimal
Letras codificadas em ASCII
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