Describes teletext, a one-way broadcast transmission of text and graphics viewed on a television screen, and its use by publishers as one means of transferring textual and graphical information. Among the services described are news reports; weather forecasts; transportation, community, and consumer information; and advertising. (Author/JJD)

Videotex systems are reviewed and grouped into five general classes: information retrieval, transactions, messaging, computing, and telemonitoring. The videotex technologies providing these services at the user end are described and a series of technological enhancements for each service is discussed. (Author/JJD)

Describes the two-way Highly Interactive Optical Visual Information System (Hi-OVIS), involving the transmission and reception of educational, advertising, and public service programing, which has been in experimental use in Japan since 1978. Utilizing fiber optics, the system equips each house with a keyboard, television, television camera, and…

The Manitoba Telephone System has established an experimental integrated home information system called Project Ida in a trial group of 100 homes. Discussed here are the origin, current operation, and future prospects of this system, which includes videotex, fire monitoring, telemetering, and educational television. (Author/JJD)

The most important developments now taking place or being planned are emphasized in this collection of eight papers on the emerging aspects of information technology. In addition to an introduction by Ric Foot and a keynote address by John Butcher, the specific papers are as follows: (1) "Telesoftware as Part of the Knowledge Network,"…

Designed to provide an overview of the nature and focus of activity in the fledgling videotex industry in the United States and Canada, this updated and extended report presents in-depth reviews of 26 projects which reflect the involvement of such industries as publishing, retailing, agriculture, banking, other financial intermediaries,…

This report presents eight papers prepared for a workshop held in June 1980, which was planned to exchange ideas and experiences about, and arrive at a better understanding of, the technological issues that have an impact on videotex systems and their use. Papers emphasize alternative architectures for present and future videotex systems; database…

Outlines the development of Plato, a unified computer system linking terminals to a central educational network; critically reviews Plato's new Homelink system which provides access to 273 games and lessons; and discusses its present capabilities and possible future improvements to make Homelink attractive to home users interested in educational…