• Abbreviations and acronyms dictionary: Find definitions for over 4,200,000 abbreviations, acronyms, and initialisms
  
  Abbreviations and Acronym Finder: the web's largest dictionary of abbreviations, acronyms and initialisms -- over 4,191,000 definitions in the database. Covers: common acronyms, computers, science, technology, government, telecommunications, & military acronyms. ©1988-2008, Mountain Data Systems, LLC
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• HowStuffWorks - Learn how Everything Works!
  
  HowStuffWorks explains hundreds of subjects, from car engines to lock-picking to ESP, using clear language and tons of illustrations. We do the research so you don't have to.
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• Webopedia: Online Computer Dictionary for Computer and Internet Terms and Definitions
  
  An online computer dictionary and internet search engine for internet terms and technical support.
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• صفحهٔ اصلی - ویکی‌پدیا
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