Discusses the importance of the response time of an online public catalog and its capacity to support multiple users without system degradation; outlines general requirements of an online catalog; explains the difference between menu and command systems; defines response time; and suggests ways of testing an online system accurately. (EM)

Five library consultants address issues that affect online system performance: options in system design that relate to diverse library requirements; criteria that most affect performance; benchmark tests and sizing criteria; minimalizing the risks of miscalculation; and the roles and responsibilities of vendors, libraries, and consultants.…

The document is one of seven volumes of instructional materials developed around a cluster of Transportation Industries. Primarily technical in focus, they are designed to be used in a cluster-concept program and to integrate with a regular General Education Development (G.E.D.) program so that students may attain an employable skill level and a…