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Windows 7 Installation (Complete Guide).

 Operating System:

An operating system (OS) is a collection of software that manages computer hardware resources and provides common services for compute programs. The operating system… 941 more words



AutoCAD : how to download it for free , and how to begin your first steps .

AutoCAD is important software that every student need to draw and design whether civil , architectural , mechanical or even electrical systems . 69 more words

Software Tutorials