Good site to learn about computers, security, ETC?

Im wodering if any1 knows a site that is good for learning about computers,security, and stuff like that. ( not stuff 2 basic )

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Good site to learn about computers, security, ETC?antivirus downloads

http://www.majorgeeks.com

http://www.bleepingcomputer.com

http://www.whatthetech.com

http://www.cnet.com

http://www.pcworld.com

Good site to learn about computers, security, ETC?cafe racer

PC: http://www.pcworld.com

Hardware: http://www.hardwaresecrets.com/

Windows: http://www.windowsitpro.com/

http://www.microsoft.com/windows/

Security: http://whitepapers.techrepublic.com.com/

http://www.microsoft.com/technet/securit...

IT%26Internet: http://internet.com

http://www.idgconnect.com

These are my favorite sites for learning and soon it will be yours, too.