About The Author
Preston Gralla is the award-winning author of 20 books, including How Wireless Works, How to Expand and Upgrade PCs, and The Complete Idiot’s Guide to Protecting Yourself Online. He is an executive editor and columnist for CNet and ZDNet, is a technology columnist for the Dallas Morning News, and has written about technology for many magazines and newspapers, including USA Today, PC Magazine, the Los Angeles Times, Boston Magazine, PC/Computing, Computerworld, and FamilyPC among many others. Gralla has won several writing and editing awards, including one from the Computer Press Association for the best feature article ...
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