Brief descriptions of numerous computer viruses. This site requires Frames.

CD-ROM encyclopedia defining 11,000 computer terms. Demo available for download.

Everything from :-) to ZyXEL. Large database of definitions plus an easy-access interface.

Over 14,000 definitions of computer terms and concepts from CMP's TechWeb, online.

Definitions of many computer-related terms. Searchable using search engine or categorized lists.