This review of computerized career information and guidance systems begins with a discussion of the increase in computer systems in daily life. Part 2 examines the emergence of a national career information system program. The development of computerized systems that assist in career decision making is described in part 3. Part 4 provides descriptive information on leading computerized systems, comparing such elements as effectiveness, user populations, marketing services, and others. Part 5 reviews the literature on system research and evaluation for the following populations: junior/senior high school students, postsecondary students, and non-school adults. The review also contains charts illustrating the various elements of the different systems. Appended materials include proposed standards and self-evaluation guides for system assessment and a list of systems publications. (CT)