We don't recommend that you make this your first pit stop when you experience a problem, but we don't recommend that you rule this option out altogether either. Computer salespersons are hired for a reason - and that's their knowledge. Often, these kind folks can help you resolve an issue over the phone and prevent you form having to buy a costly solution. But along with computers, we've also been infiltrated with a little thing called "self-service." Today, there are more self-serviced resources than ever and in an effort to synchronize them with headquarter databases, they're provided via your inescapable computer. Here are some examples. Banking is self-serviced through the desktop-clad ATM machine. As a result, the transmission of a compressed file across the Internet is faster and smoother. This article looks at compressed files a little closer and it describes how to compress and decompress them using two of the most popular archiving programs. Identifying Compressed Files Most files are compressed in . But may be something else we can do. Perhaps we could make an effort to educate the people who want put viruses into the public about ways to display dissatisfaction with a service or product that don't involve harming innocent parties. In doing so, we just might reduce the number of virus news stories and protect our own investments at the same time. Known as "kiosks," these programs are already in use world wide at ATM machines, employment centers, and in health monitoring systems. Neither a mouse nor a keyboard is required. A computer user only needs to touch various boxes on a screen to control a computer. Sure, the programming behind such technology is extensive and advanced, but to the end user, it makes computer use less intimidating and plain easy. Changes made to a system by one person will differ from the changes made by another. Enabled by a username and password, individual desktop settings (icons, background picture, and other settings) are available after logging onto Windows. Display Properties. Through Display Properties, a user can change the background of the Windows Desktop, add a screensaver, change the overall color scheme and fonts of Windows, and adjust a computer's color depth and/or resolution (screen area).