Warm-up

1. What three things must something do for it to be considered a computer?

2. Which part of a digital computer is the 'brain?'  What does it look like?

3. What is random access memory used for?

4. What kinds of cables are there in a personal computer?

5. What will the following piece of code do when run?

def mystery(a, b):
    for qq in range(a):
        print(a * str(b))

mystery(5, ":")
mystery(3, "*")