Internet and Other IT
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Dictionaries and Encyclopaedias
FOLDOC (Free On-Line Dictionary of Computing)
FOLDOC is a computing dictionary. It includes definitions of acronyms, jargon, programming languages, tools, architecture, operating systems, networking, theory, conventions, standards, mathematics, telecoms, electronics, institutions, companies, projects, products, history, and any of the vocabulary you might expect to find in a computer dictionary.
http://foldoc.org/
NetLingo
Internet dictionary covering both technical and popular expressions.
http://www.netlingo.com/
Text Messaging Abbreviations
A guide to understanding online chat acronyms and text messaging.
http://www.webopedia.com/ quick_ref/ textmessageabbreviations.asp
UK Internet Guide
Straightforward definitions and guide to the Internet plus links.
http://www.internet-guide.co.uk
Webopedia
Online dictionary and search engine for computer and internet technology.
http://www.webopedia.com
Whatis?
Brief definitions, longer encyclopaedic topic entries, useful quick reference lists.
http://whatis.techtarget.com/
General | Advice, Help and Courses | Dictionaries and Encyclopaedias | Internet Safety and Viruses | Internet Service Providers (ISPs) | Web 2.0, Downloads and Other Web Services