Step 6 - Quiz Yourself


If you're having trouble, try to run a program that can help you find the answer.

(1) Which symbols (called comparators) check to see if two things are exactly equal to each other? How did you check to see if the digitalRead was equal to LOW?

(2) How many arguments does the digitalRead function require?

(3) True or False: You must have an 'if' statement in order to use an 'else' statement.