Computers play an important role in our daily lives. We use them to learn new information and communicate with others. By using the Internet and your computer, you may have come into contact with a computer virus. These are small pieces of software designed to spread from one computer to another and interfere with the computer's operation. I would like to explore and discuss some common computer viruses, their effects on your computer, and ways you can protect yourself from a computer virus when using your computer. It's good to be informed about the dangers of using a computer, and now everyone is connecting to the Internet, so you need to know what to watch out for. A computer virus is a small piece of software attached to a real computer. program. These are programs that can move from computer to computer and spread across networks, data CDs, DVDs and even Bluetooth devices. Most computer viruses are spread via email files attached to messages you receive. When computers were first introduced, computer viruses could not be sent by email because they were only text files and could not contain programs. But once attachments appeared, people were able to email computer software. This made it possible to attach a virus to a message sent to your computer and automatically send it to people in your email address book. Viruses have become so advanced that they don't even require a double-click. They can launch when you view an infected message. I would like to talk about two other threats to your computer. They are not viruses, but a “Trojan” and a “worm” can be just as dangerous. Unlike a virus, a Trojan h...... middle of paper ......r to prioritize security, keep viruses away and your computer will stay healthy.Works CitedAngell, James. “Prevention is the best cure for a computer virus.” . Np, July 19, 2007. Web. May 18, 2014. .Brian, Marshall and Wesley Fenlon. "HowStuffWorks" How computer viruses work. . Np, and Web. May 18, 2014. Kraynak, Joe. “Internet Security.” The Complete Idiot's Guide to Computer Basics. 2nd ed. Indianapolis, IN: Alpha Books, 2002. Levine, John R. and Carol Baroudi. "Is the Internet Safe? Viruses, Spyware, Spam, and Other Nasty Stuff." Internet for dummies. San Mateo, CA: IDG Books, 1993. Price, Sue. “Introducing your PC.” Computing for seniors: in a few simple steps. Fifth ed. Warwickshire, UK: In easy Steps Limited, 2008.