Describes the costs, programing languages, limitations, and capabilities of micro, mini, and mainframe computers, as well as specific computer projects and storage techniques, including disks, floppies, and videodiscs. Also discussed are links, networks, and computer features for libraries. A glossary and 22 references are provided. (RBF)

This discussion of the Integrated Services Digital Network (ISDN) telecommunications system compares it to existing telephone networks and describes international efforts at standardization, proposed services to business and residential customers, technological developments, and cost considerations. The effects of ISDN developments on the role of…

This current overview of optical disk technology describes the evolving marketplace for optical products, the use of libraries as test sites for prototype CD-ROM (compact disk read-only-memory) products, CD-ROM developments, new optical technologies, and advances in magnetics. A list of some compact disk manufacturers and a glossary of terms are…