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.

Computer & Tech Dictionary - the high tech computer dictionary
Computer & Tech Dictionary - the high tech online dictionary with thousands of computer and technology words, text messaging, IM, chat, SMS, abbreviations, acronyms, TLD domain list, filenames

Cybertionary - your online dictionary for internet and computer terms
Cybertionary is a cyber dictionary for internet terms. Have a huge record for the internet terms.

FOLDOC - Computing Dictionary
The Free On-line Dictionary of Computing is a searchable dictionary of terms from computing and related fields.

Sharpened.net - The Computer and Internet Resource
Glossary of computer terms, answers to computer questions, a list of file extensions, and other helpful resources.

TECHtionary :: Worlds First and Largest Animated Magazine on TECHnology
The worlds first and largest animated dictionary of technical terms.

TekMoms Technology Buzzwords for Students
A dictionary of computer terms designed for students aged elementary and up. Contains definitions, further explanations, use of words in a sentence, graphics, and links to further information.

The Tech Terms Computer Dictionary
A dictionary of computer terms with simple definitions and detailed explanations.