Variables, Expressions and Statements

Every program works with data. In order to talk about data, you have to have names for it. Every piece of data has a type. A data structure includes the name of the piece of data, the value of it, the type of data it is and the actions you can do with that piece of data. Example: a number called Age, with a value of 32, an integer type. The data type includes being able to add, subtract, multiply, divide, compare, input, output, assign that type of data. When you run into a new data type, ask the questions - what can I do with it?