The vocabulary of personal computing and the Internet continues to explode as new hardware and software become available. This revised and updated edition with 12,500 terms defined goes far beyond the standard personal computing terms, with coverage given to such specialized subject areas as database design and programming, networks, desktop publishing, multimedia, video, graphic design, and telecommunications. Encyclopedic comments expand on the definitions and sample sentences are provided for each entry to illustrate how each term is used. Special supplements for ASCII coding, signaling, and circuits are included.