Thus, for example, in viewdata
systems, the kind of information and the way it is presented offers the consumer a picture of the world constructed by the information providers and the designers of the technology.
Designed to provide travel agents with fast and easy access to holiday information and booking services via a dedicated extranet, the new system replaces Telewest's current Fastrak viewdata
service with an enhanced version, Fastrak 2000.
"The ability to remotely operate and control performance-monitoring experiments, transfer and viewdata
, and perform teleconferencing simultaneously, all in close to real time, by scientists, engineers, instrument developers, manufacturers, and end users reduces costs," says Holmes.
(9)For definitions and explanations of databases, see ELECTRONIC PUBLISHING--A SNAPSHOT OF THE EARLY 1980s 15-16 (Hugh Evison Look ed., 1983) [hereinafter ELECTRONIC PUBLISHING] (listing some of the different types of information that can be compiled in database form); FRAN SPIGAI & PETER SOMMER, GUIDE TO ELECTRONIC PUBLISHING: OPPORTUNITIES IN ONLINE AND VIEWDATA
SERVICES 5-10 (1982) (surveying different database subjects and the types of information included therein).
and Malik, R., The Viewdata
Revolution, Associated Business, New York, NY, 1979.
Dychtwald predicts that call-in medical help-lines and interactive "viewdata
" services linking the TV screen to the phone and computer will give seniors around the country access to medical advice at the flick of a switch.
A variety of word processing programs are being used also, and COMMUNITEL is being used by some schools for preparing viewdata. The research found that the issuing and cataloging of books was considered by many school librarians to be a desirable future development.
At Dawlish School, the principal use of the library computer is for searching curricular-related databases, access to Teletext and TTNS, and the preparation of a viewdata school bulletin.
AT&T's Sceptre terminal is used in the Viewtron videotex service operated by Viewdata Corporation of America in the southern part of Florida.
Viewdata's parent, Knight-Ridder, also operates the world's largest newspaper data bank.
Equipped with the $250 Viewdata
decoder software, a Wang PC can retrieve Prestel videotex frames, composed of text and color graphics, from both public videotex services and private in-house videotex systems.
The department uses communications software for a variety of things on its IBM PC/XT microcomputers: connection to the Computer Centre mainframe for electronic mail and file transfer; connection to services available through JANET on the campus network, including a viewdata
service; connection to PSS (British Telecom's Packet Switching Service) through the campus network or by telephone for the use of various online database host services (including class hands-on use by students); and connection to Prestel by direct dial using an internal, Hayes-compatible modem, In addition, we often need to transfer files-paricularly word-processing files-to and from a number of different machines, notably Superbrains, Olympia ETXIIs, an Amstrad PCW, and IBM PC/XTs.