exe extension), they turn into a software application. As we mentioned earlier, you can use a programming language to control your computer. By using simple commands, you can program your computer to perform mathematical tasks, fill out web forms, compose an email message and send it off, or any number of other things. Under no circumstances, should children give their personal names, home addresses, phone numbers, or school information to anyone over the Internet regardless of the situation. In the even this information is required to enter a contest of some sort, be sure that you're the one who makes the decision to supply it and that you're the one who does it. 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). Not just a bunch of preference settings, display properties help individuals who have to deal with visual problems. Sometimes the links are harmless and attempt to con the reader into volunteering personal information (credit card number), but other times the links attempt to download harmful software onto a computer. Your best protection against computer crimes is your own knowledge. Hopefully the suggestions above will prompt you into taking appropriate action and into protecting your computer with the suggested tools. Upgrading in this fashion is not only silly to do so, it's also costly - more costly than simply buying a new computer. But once the decision to buy a computer is set in stone, what can be done with the old one? There are alternatives to selling a computer and this article is going to introduce a few of them. Accessorizing Computers What Comes Out of the Box is a Really Just a Starter Kit Yesterday, we spent about three hours trying to convince a client of ours that brand new computers just don't come equipped with the all things that most computers need in a PC. We tried to convince him that a fully functional computer is one that is personalized with specially selected hardware and software accessories - and that the computer purchased at the store doesn't come with these things.