Matriz de LED
Quiz
•
Information Technology (IT)
•
9th Grade
•
Practice Problem
•
Hard
EDSON BOCALON
Used 17+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o princípio básico de funcionamento de uma matriz de LED?
Emissão de luz por aquecimento
Emissão de luz por eletroluminescência
Emissão de luz por fluorescência
Emissão de luz por fosforescência
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual dos seguintes é um tipo comum de matriz de LED?
Matriz de LED de 5x5
Matriz de LED de 7x7
Matriz de LED de 8x8
Matriz de LED de 10x10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual componente é essencial para controlar uma matriz de LED?
Resistor
Capacitor
Transistor
Microcontrolador
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual linguagem de programação é frequentemente usada para programar matrizes de LED?
Python
Java
C++
HTML
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é uma aplicação comum de matrizes de LED?
Iluminação de ruas
Telas de exibição
Lâmpadas incandescentes
Painéis solares
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a principal vantagem de usar uma matriz de LED em vez de LEDs individuais?
Menor consumo de energia
Maior brilho
Facilidade de controle
Menor custo
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a função de um resistor em um circuito de matriz de LED?
Aumentar a corrente
Reduzir a tensão
Limitar a corrente
Armazenar energia
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