Dust Kills Cleaning the Unit Fan is Essential Computer Care Between taking care of the household, the kids, the pets, and the district PTA, computer care is probably one of the last things that you think of doing on a regular basis. Without a regular maintenance schedule however, you could find out (the hard way) that a neglected computer is an energy hog - one that works harder than it needs to and one that could be a financial burden to replace. We may need a word processor that can convert a document into an HTML page or PDF document. We may need a calculator that solves geometric problems. Or we may need a multimedia tool that lets us create our own videos as well as watch them. These capabilities aren't included with new systems, but there's no reason why we can't exploit the tools that we're given to their fullest. But you can prevent identity theft from occurring by installing a firewall. A firewall is software that checks all data entering and exiting a computer and it then blocks that which doesn't meet specified security criteria (user-defined rules).1 5. Don't click on website links in spam messages. In an effort to obtain personal information, some spammers will send email that asks you to click on a link. In a commercial setting, participants work for a paycheck rather than for the product. And this is what puts open source projects far ahead of its monetized competition. As a software user, this means you can contribute to an open source project as well, and help to develop it into a product that reflects your direct preferences. You'll want to first, select the computers that will connect to each other and then install the network cards inside each of them. Then you'll connect a cable to each computer that will communicate with the server. These cables won't connect to the server directly. Instead, they'll connect to the router. But your specifications don't just apply to Windows, they also apply to the many software programs that are installed onto the computer (not to mention that many software programs can be further customized through their own configurations). We aren't going to cover them all, but we will introduce some of the most popular so that you can get a feel of the control over your system that these configurations give you.