This discussion of the design of user-initiated help systems in computers focuses on the information that users actively seek to help them with their tasks, with emphasis on how to help users ask the questions that will bridge the gap between the initial internal (mental) form of the query and their information need as expressed by the system.…

Presents a guide for selecting an optional disc system. Highlights include storage hierarchy; standards; data life cycles; security; implementing an optical jukebox system; optimizing the system; performance; quality and reliability; software; cost of online versus near-line; and growing opportunities. Sidebars provide additional information on…