Describes hypertext as software that improves the learner's control over a knowledge base, and discusses the role hypertext could play in compact disc technologies. Digital multimedia learning materials are discussed; relationships among data, information, knowledge, and expertise are explored; and examples of applications of compact disc media…

Defines cognitive computer tools as software programs that use the control capabilities of computers to amplify, extend, or enhance human cognition; suggests seven ways in which computers can aid learning; and describes the "Learning Tool," a software package for the Apple Macintosh microcomputer that is designed to aid learning of…