11. How many digital pins are there on the UNO board?
12. In the Arduino, hat is the symbol used to calculate modulo:
13. What does p refer to in ATmega328p?
14. What is the default bootloader of the Arduino UNO?
15. What is the microcontroller used in Arduino UNO?
16. Which board is first to use microcontroller within build USB?
17. Which is the software or a programming language used for controlling of Arduino?
18. Which of the following variable types is NOT recognized by the Arduino
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