Enumerates principal management objectives of database management systems (data independence, quality, security, multiuser access, central control) and criteria for comparison (response time, size, flexibility, other features). Conventional database management systems, relational databases, and database machines used for backend processing are…

Describes letters of credit and their usefulness in financing computer systems acquisition. Relevant legal policies and the different types and applications of letters of credit are discussed. (1 reference) (MES)

Addresses the protection of computer rooms from water. Sources of water and potentially vulnerable areas in computer rooms are described. Water detection is then discussed, and several detection systems are detailed. Prices and manufacturers' telephone numbers for some of the systems are included. Water cleanup is also briefly considered. (MES)

Discusses discoveries and applications of science that have enabled the computer industry to introduce new technology each year and produce 25 percent more for the customer at constant cost. Potential limits to progress, disc storage technology, programming and end-user interface, and designing for ease of use are considered. Glossary is included.…

Characteristics and advantages of database machines are summarized and their applications to library functions are described. The ability to attach multiple hosts to the same database and flexibility in choosing operating and database management systems for different functions without loss of access to common database are noted. (EJS)

Discusses the advantages of parallel processor computers in terms of expandibility, cost, performance and reliability, and suggests that such computers be used in library automation systems as a cost effective approach to planning for the growth of information services and computer applications. (CLB)

Discussion of basic telecommunications concepts includes data terminal equipment, carrier equipment and data communications equipment. Guidelines offered for librarians planning the implementation of a telecommunications network address reliability and costs of equipment, requirements of the system, and ease of use of the system. (CLB)

Reviews technological advances of computer and noncomputer services for the deaf community, describes World Wide Web sites and library services that provide information paths for the deaf, and reviews the progress of institutions devoted to deaf education. An appendix lists World Wide Web addresses discussed in the article. (JMV)