URL An acronym for Uniform Resource Locator. It's the address of each web site. The process of transferring information from your computer to another computer through the Internet. Every time you send e-mail to someone you are uploading it. A virus can wipe out information on your computer and create major havoc.
Viruses usually originate from malicious people.
You can unintentionally download virus from a web site or get it from a disk that someone has lent you. There are virus-checking programs, but there are new viruses popping up every day. So the best defense against a virus is to be very careful not to download programs or data from a site you're not familiar with. An acronym for the World Wide Web. Web Short for the World Wide Web.