Which voltage does the recommended Arduino Nano operate on?

• a) 3.3V

• b) 5V

• c) 9V

• d) 12V

What is the main advantage of the Arduino Uno R3 over the new R4 version?

• a) It's cheaper

• b) It has more inputs/outputs

• c) It has better compatibility with existing libraries

• d) It has a faster processor

 Which Arduino board is mentioned as having the capability to emulate a mouse or keyboard?

• a) Arduino Nano

• b) Arduino Uno

• c) Arduino Mega

• d) Arduino Leonardo

What unique feature of the Arduino Uno R3 is mentioned as an advantage over other boards?

• a) It has more memory

• b) It has a replaceable microcontroller

• c) It can be programmed wirelessly

• d) It has built-in Wi-Fi