Question

13)
Which of the following functions exist by default in Arduino IDE?
a. main()
b. loop() and main()
c. setup() and loop
d. setup() and main()

Answer 1

Answer:

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Answer 2

Answer:

c. setup() and loop

Explanation:

There are two required functions in an Arduino sketch, setup() and loop(). Other functions must be created outside the brackets of those two functions. As an example, we will create a simple function to multiply two numbers.