Based on questionnaires sent to educational software companies in January 1988, this directory lists 78 companies. Information given includes company address, curriculum subject areas for which the company publishes software, types of machines and operating systems on which the software operates, and grade level for which it is targeted. (LRW)

Describes videodisc components necessary to construct a responsive and interactive learning environment that capitalizes on the advantages of computer assisted instruction and educational television. Electronic switching devices for connecting a microcomputer to the videodisc player and authoring programs are discussed, and information is provided…