Logical communication structures organize basic telecommunications services to meet the aims and requirements of groups working on the Internet. This article clarifies logical communication structures within an educational context and illustrates how the communication requirements of work or study groups correspond to a variety of…

Describes the growth of educational computer networks in three main categories: (1) networks for sharing peripheral equipment; (2) networks for exchanging information; and (3) networks for addressing instructional needs. The use of microcomputers and mainframe computers is examined, networks in public schools and universities are described, and…