Revised 9/26/98; 08/01/99; 12/09/99; 01/18/99

CHAPTER 12 — Decision Making

This chapter looks at how computer programs make decisions about numbers and variables using the if statement. This statement is one of the fundamental building blocks used in creating large programs.

Chapter Topics:


You are driving in your car and it starts to rain. The rain falls on your windshield and makes it hard to see. Should your windshield wipers be on or off?