Bytes and bits are the starting point of the computer world. Find out about the Base-2 system, 8-bit bytes, the ASCII character set, byte prefixes and binary math. See more »

Boolean logic is the key to many of a computer's most mysterious and human-like functions, from playing chess to balancing a checkbook. How do "AND," "NOT" and "OR" make such amazing things possible? See more »

A computer program is the key to the digital city: If you know the language, you can get a computer to do almost anything you want. Get the scoop on how C works and why it's so important. See more »

CGI, or common gateway interface, allows Web servers to store dynamic Web pages that can change and update rather than remain a fixed page. This article explains the process, plus shows you how to write your own scripts. See more »

Data integration is a simple idea, but the process can be quite complex. Once a computer gets information from a user, how does it know what to do next? See more »

As programming languages go, JavaScript is average difficulty. Learn what Javascript is and how to build calculators with it. See more »

HTML5 isn't just another HTML revision, but a comprehensive standard for how Web pages work. What sets it apart from previous versions? See more »

Whether you're a seasoned computer user or are just beginning to experiment, this step-by-step guide will get you started with Java. Begin with this basic tutorial, and then move on to more advanced skills. See more »

Perl is easy to use once you know the basics. It can be used to create DOS batch files, C shell scripts, CGI scripts for Web pages and more. Get a great introduction to this versatile programming language. See more »

Java is a popular programming language that's relatively easy to use. Are you a programming guru or a novice? Take our quiz to find out. See more »