In what country does the company Arduino is based?

• Italy

• Philippines

• United States of America

• Brazil

What is the main function of the void setup() in an Arduino program?

• It runs continuously in a loop

• It runs only once at the beginning of the program

• It resets the program

• It uploads the program to the board

Which function in Arduino sets a digital pin as input or output?

• digitalWrite()

• analogWrite()

• pinMode()

• delay()

Which of the following Arduino boards is the smallest in size?

• Arduino Uno

• Arduino Mega

• Arduino Nano

• Arduino Leonardo

What is the purpose of a capacitor in a circuit?

• To resist current flow

• To store electrical charge

• To amplify electrical signals

• To reduce voltage

Which type of signal is created by Pulse Width Modulation (PWM) in Arduino?

• Purely analog signal

• Digital signal with varying pulse width

• Steady high voltage signal

• Alternating current signal

What does the term "series circuit" mean?

• A circuit with multiple loops

• A single path for current to flow

• A circuit with multiple resistors in different branches

• A circuit with only one resistor

What is the primary use of a resistor in a circuit?

• To store charge

• To increase current flow

• To reduce current flow

• To amplify the voltage

What does Ohm's Law describe?

• The relationship between voltage, current, and resistance

• The relationship between charge, capacitance, and time

• The method to calculate frequency

• The behavior of current in parallel circuits

Which of the following is not a sensor used with Arduino?

• Light sensor

• Motion sensor

• Voltage sensor

• Sound sensor