Arduino practice Quiz

What is the primary function of an Arduino Uno?

• Playing music

• Baking bread

• Controlling and monitoring electronic projects

• Sending emails

Which company is responsible for developing and manufacturing the Arduino Uno board?

• Raspberry Pi

• SparkFun Electronics

• Arduino LLC

• Microsoft

How many digital input/output pins does the Arduino Uno have?

• 6

• 10

• 14

• 20

What is the maximum voltage that can be safely applied to the 5V pin of the Arduino Uno?

• 5V

• 9V

• 12V

• 24V

Which programming language is commonly used to write code for the Arduino Uno?

• Python

• C++

• Java

• Ruby

What is the main microcontroller chip used on the Arduino Uno board?

• ESP8266

• ATmega328P

• Raspberry Pi 4

• STM32

Which Arduino Uno pin is used for analog input and is often labeled with an 'A' followed by a number?

• Digital Pin 0

• Analog Pin 0

• Digital Pin 13

• Analog Pin A0

What does the acronym "PWM" stand for in the context of Arduino Uno?

• Public Wireless Module

• Pulse Width Modulation

• Power Widget Mechanism

• Personal Web Manager

Which function is used to initialize the Arduino Uno setup code and is executed only once?

• loop()

• initialize()

• setup()

• start()

What is the maximum current (in amps) that an individual GPIO pin on the Arduino Uno can source or sink safely?

• 10 mA

• 20 mA

• 40 mA

• 100 mA