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…

Describes Kodak's Photo CD technology, a format for the storage and retrieval of photographic images in electronic form. Highlights include current and future Photo CD formats; computer imaging technology; ownership issues; hardware for using Photo CD; software; library and information center applications, including image collections and…