"Antivirus software blocks known viruses, worms, Trojans and other malicious code by comparing it with signatures of known malware"
Continue quiz>
"Antivirus software blocks known viruses, worms, Trojans and other malicious code by comparing it with signatures of known malware"
Continue quiz>
Stay connected and entertained with reviews on tips on the latest HDTVs, cellphones and more. More >
Easy ways to connect two computers for networking purposes. More >
©2009 About.com, a part of The New York Times Company.
All rights reserved.