This fact sheet gives an overview of computer-based career information and guidance systems to aid in understanding, selecting, and using such systems. Topics covered include: (1) possible components of a computer-based system; (2) user needs which can be met through such a system; (3) areas to be considered when selecting a system including resources, information and guidance, population and setting, structure, data storage, use of data, changing and updating information, and costs; (4) issues to address to ensure the effectiveness of the system including evaluation, access for all learners, personnel preparation, and affirmative action; and (5) areas in which staff development may be needed. A bibliography citing four references and 14 additional resources, most of which are available from the Educational Resources Information Center (ERIC) system, is provided. (DC)