Computer Software

Software refers to the programs your computer uses to perform the actions you want it to. Learn all about computer software, from Web browsers to the latest operating systems, with our explanations, reviews, videos and prices.

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Get a refresher on the original Napster and why it caused such a storm about intellectual property laws.

Even though there is nothing you can do with the cryptic error messages your computer gives you during a problem, it might be nice to at least know what they mean! Find out what the three most common ones error messages mean.

Digital images can be saved by numerous methods and in countless file sizes. Learn how the jpg format compresses your photos while maintaining resolution.

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What is this MIME thing that I sometimes see in my e-mail messages? Learn what MIME stands for and how it works.

How does SETI@home thing work? What do extraterrestrials have to do with screen savers?

Linux is as much a phenomenon as it is an operating system. To understand why Linux has become so popular, it is helpful to know a little bit about its history.

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?

By Marshall Brain

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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.

By Marshall Brain

If you are a programmer, or if you are interested in becoming a programmer, there are a couple of benefits you gain from learning Learn how to write computer programs in C.

By Marshall Brain & Chris Pollette

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.

By Marshall Brain

CDs took care of storing music digitally, then MP3 files took it to the next level, compressing audio data down to a manageable file size -- without losing sound quality! Learn about the miracle of MP3.

By Marshall Brain

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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.

By Marshall Brain

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.

By Marshall Brain