Recent advances in information processing have greatly affected our lives. Called "an outstanding reference source" by the American Library Association, the first edition of this book has been greatly expanded to include an additional one thousand entries for a total of over 6,000 definitions. explains the essential facts about data processing (micro, mini, and main frame computers), communications (data networks, broadcasting satellite systems), office systems (videotex, teletext, on-line database), microelectronics, graphics, printing and consumer electronics in clear, jargon-free language that is accessible to both the layperson and the professional. The numerous illustrations and the extensive system of cross-referencing make this volume an invaluable reference and an essential addition to university and public libraries.