Arduino Basics Quiz

What is Arduino?

• Programming language

• Image editing software

• Open-source electronics platform

• Text editor

What does a PIR sensor detect?

• Sound

• Light intensity

• Infrared radiation from motion

• Temperature

What happens when the PIR sensor detects motion?

• It sends a LOW signal

• It sends a HIGH signal

• It turns off the Arduino

• It resets the board

Which function is used to turn an LED on in Arduino code?

• digitalRead()

• analogWrite()

• digitalWrite(pin, HIGH)

• pinMode()

Which component is essential to limit current to an LED?

• Capacitor

• Diode

• Resistor

• Transistor

What is the purpose of delay(1000); in an LED blink sketch?

• To turn off the LED

• To wait for 1 second

• To read sensor data

• To reset the board

Arduino IDE consists of 2 functions. What are they?

• Loop() and build() and setup()

• Build() and loop()

• Setup() and build()

• Setup() and loop()

How many times does the setup() function run on every startup of the Arduino System?

• 4

• 5

• 2

• 1

What language is a typical Arduino code based on?

• Assembly Code

• Python

• Java

• C/C++

What is PIR Motion Sensor?

• Passive Infrared Sensor

• Motion Sensor

• Infrared Sensor

• Pyroelectric Sensor