Arduino Uno Quiz

What is the microcontroller used in the Arduino Uno?

• ATmega328P

• ATmega2560

• ATtiny85

• ESP8266

How many digital I/O pins does the Arduino Uno have?

• 8

• 14

• 20

• 32

Which communication protocol is not supported by the Arduino Uno?

• SPI

• I2C

• UART

• Bluetooth

Which Arduino IDE function is used to initialize variables and settings?

• setup()

• loop()

• init()

• start()

What is the clock speed of the Arduino Uno?

• 8 MHz

• 16 MHz

• 32 MHz

• 64 MHz

How much flash memory does the Arduino Uno have?

• 2 KB

• 8 KB

• 16 KB

• 32 KB

How many analog input pins does the Arduino Uno have?

• 4

• 6

• 8

• 10

Which pin is used as an external interrupt pin in the Arduino Uno?

• D2 and D3

• D4 and D5

• D6 and D7

• D8 and D9

Which of the following is a built-in library in the Arduino IDE?

• LiquidCrystal

• Servo

• Wire

• All of the above

How many PWM pins are available on the Arduino Uno?

• 4

• 6

• 8

• 10