computer are useful: they help us write letters, find information on the Internet, and even create our own music CD's. some people love computers- they speak a different language that includes nonsensical words like IP address and Gigabytes. but most of us are somewhat clueless when it comes to computers. we know how to turn our computer, how to surf the internet (maybe), and maybe write a quick letter on a word processor.but that's about it- we have to ask our kids or friends for help when something goes wrong, which is all the time. this guide takes some of the mystery out of computers. In this topic we'll take a good hard look at a computer from the front, back, and yes, even inside. you'll understand what all those confusing ports on the back of the computer are for and why it's important for your computer to have a fast CPU. best of all, we'll explain all of this human terms, so you won't need an engineering degree to understand everything. ready to tacky your computer.