Arduino Basics Quiz

What is the main purpose of an Arduino Uno board?

• Store large amounts of data

• Act as a microcontroller for electronic projects

• Replace a traditional computer

• Display high-definition graphics

Which component is considered the "brain" of an Arduino?

• USB port

• Microcontroller

• Digital pins

• Resistors

Which of the following is an example of an input component in Arduino?

• LED

• Servo motor

• Button switch

• Buzzer

What is the function of a resistor in an Arduino circuit?

• Increase voltage output

• Limit current flow

• Store electrical charge

• Convert analog signals to digital

The Starter Kit in Arduino is mainly used for:

• Robotics programming

• Basics of circuits and coding

• Creating 3D models

• Connecting to cloud storage

What is Wokwi used for?

• A web-based simulator for Arduino projects

• A physical Arduino kit

• A programming language

• A 3D modeling software

In the Wokwi simulator, which Arduino board is commonly used?

• Raspberry Pi

• Arduino Uno

• ESP8266

• Jetson Nano

In the code below, what does pinMode(13, OUTPUT); do? void setup() { pinMode(13, OUTPUT); }

• Sets pin 13 as an input

• Turns on the LED immediately

• Sets pin 13 as an output

• Increases voltage on pin 13

What happens if you do not use a resistor with an LED in an Arduino circuit?

• The LED will not turn on

• The LED may burn out due to excessive current

• The Arduino will shut down

• The circuit will short-circuit immediately

What is the function of delay(1000); in an Arduino code?

• Stops the Arduino completely

• Delays the program by 1 second

• Increases the brightness of the LED

• Creates an infinite loop