Digital Information

OFFICIAL DEFINITION
A digital computer is designed to process data in numerical form; its circuits perform directly the mathematical operations of addition, subtraction, multiplication, and division. The numbers operated on by a digital computer are expressed in the binary system; binary digits, or bits, are 0 and 1,...

What this means is this....
When you type the letter - A - on the keyboard the computer doesn't understand what to do with it. The only thing computers understand are numbers. Actually they only understand two numbers 0 and 1. So for the computer to understand the letter A the computer converts it to what is called a Binary Code. Binary code is a series of 0's and 1's put together in a string of eight numbers. For example, the Binary Code for the letter A is equal to 010000001. All information in a computer is converted to a Binary Code before the computer can do anything with it..