i forget say some thing the web site (
http://websy.net/) this web site to learn everything you want in computer i will give exampels ...
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Operating Systems:
DOS Tutorials,Mac Tutorials,OS/2 Tutorials,Unix Tutorials,Linux Tutorials,Windows XP, Tutorials,Windows 2000 Tutorials,Windows ME Tutorials,Windows NT Tutorials,Windows 98 Tutorials.
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Programming:
Assembly Tutorials,C Tutorials,C++ Tutorials,Delphi Tutorials,HTML Tutorials,Java Tutorials,JavaScript Tutorials,PHP Tutorials,ASP Tutorials,Visual Basic Tutorials,XML Tutorials.
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Web Design:
Web Design Ideas and Tips,Building a Web Site,Web Design Articles,CSS Tutorials.
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Graphics:
Photoshop Tutorials,Corel DRAW Tutorials,Paint Shop Pro Tutorials,Photoshop Elements Tutorials,Photo Impact Tutorials,Photo Paint Tutorials.
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there is more and more
good luck boys