This monograph on the cost and use of computers in education consists of two parts. Part I is a report of the President's Science Advisory Committee concerning the cost and use of the computer in undergraduate, secondary, and higher education. In addition, the report contains a discussion of the interaction between research and educational uses of computers, the education of the faculty in the use of computers, and the role of the large university computing facility. Examples of computer usage in instruction in both the sciences and humanities are cited. Part II of the monograph contains (1) an overview of the selection of a media system, and a discussion of (2) its methodology, (3) cost estimates, (4) cost-saving and considerations, and (5) regulatory implications of electronic systems. (LC)