
Understanding Arduino Basics
Authored by Domingo Chu
Computers
9th - 12th Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a digital input on an Arduino?
To output analog signals to external devices.
To store data from sensors permanently.
To control the power supply to the Arduino.
To read binary signals (HIGH or LOW) from external devices.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which Arduino function is used to set a pin as an input or output?
pinMode()
analogRead()
delay()
digitalWrite()
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What voltage levels correspond to HIGH and LOW in Arduino's digital logic?
HIGH: 5V, LOW: 2V
HIGH: 3.3V, LOW: 1.5V
HIGH: 0V, LOW: 1V
HIGH: >2.5V, LOW: <0.5V
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which function reads the state of a digital input pin?
pinStatus(pin)
readDigital(pin)
getPinState(pin)
digitalRead(pin)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the range of values returned by the analogRead() function?
-1 to 1023
0 to 1023
0 to 512
1 to 1024
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which pins on the Arduino are typically used for analog input?
B0 to B5
A6 to A10
A0 to A5
D0 to D5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which function is used to write an analog value to a PWM pin?
setPWM
writeAnalog
digitalWrite
analogWrite
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