The web is an invaluable tool for finding answers to questions you might have regarding computers, operating system, applications, and lot's of other areas of interest.  We've compiled a sampling of some of our favorite sites here:

Hardware:

Toms Hardware

Anandtech

Operating Systems:

Linux:

Distro Watch

Linux.com

Low Fat Linux

Microsoft:

Microsoft Technet

Slipstick

Utilities (Most Free)

CutePDF Free PDF Maker

Avast! Free Anti Virus

AVG Anti Virus (free version available)