Data are the input of a computer system. They are also stored in the computer system. The system processes data to output information.

Data should not be confused with commands, processes or instructions, which tell the computer to actually do something. Data and instructions are the two main things that make up a computer system.

There are four main data types:

In this lesson, we will learn to represent Boolean values and unsigned integer (a subset of numbers) in binary. Yay!