Arduino Uno Quiz

Which microcontroller is used in the Arduino Uno board?

• ATmega16

• ATmega328P

• ATmega2560

• PIC16F877A

What is the operating voltage of the Arduino Uno board?

• 3.3V

• 5V

• 9V

• 12V

How many digital I/O pins are available on the Arduino Uno?

• 10

• 12

• 14

• 16

Which function in Arduino code is executed only once when the board is powered on or reset?

• loop()

• setup()

• main()

• start()

What is the default communication baud rate of the Arduino Serial Monitor?

• 2400

• 4800

• 9600

• 115200

Which of the following communication protocols is NOT supported by Arduino?

• UART

• SPI

• I2C

• FTP

What is the purpose of the pinMode() function in Arduino?

• To read data from a pin

• To set a pin as input or output

• To send data to the Serial Monitor

• To stop the program execution

How do you turn ON an LED connected to digital pin 13 in Arduino?

• digitalWrite(13, LOW);

• digitalWrite(13, HIGH);

• pinMode(13, OUTPUT);

• analogWrite(13, HIGH);

Which software is used to write and upload code to an Arduino board?

• MATLAB

• Arduino IDE

• Keil

• Visual Studio

What type of USB connector is commonly used to program the Arduino Uno?

• USB Type-C

• USB Micro-B

• USB Mini-B

• USB Type-A