| 释义 |
viewdata|ˈvjuːdeɪtə|
orig. also Viewdata.
[f. view v. + data, pl. of datum.]
A system enabling a user's television set to show alphanumeric information selected from a computer database, with a telephone line providing two-way communication with the computer.
1975S. Fedida in Communications Networks 275 An experimental study of a computer-based information distribution and retrieval interactive medium, called viewdata, has been carried out. 1975Times 24 Sept. 2/8 The telephone and television set could be linked to provide a significant new type of home information service... Known as Viewdata, the proposed new service was demonstrated publicly for the first time yesterday. 1976Nat. Electronics Rev. Jan.–Feb. 11/1 Unlike these specialist orientated services, Viewdata has been developed as an interactive information service for use by the general public. 1979Guardian 24 Sept. 20/6 The Post Office tried to register the name Viewdata for its product but this was refused on the ground that it was too all-embracing a title. Then it chose Prestel—and led a campaign to get viewdata accepted internationally as the generic term for computerised public information systems. 1979Austral. Financial Rev. 21 Dec. 19/3 A meeting of a viewdata technical standards group in the Netherlands..has provided a draft standard which includes both Prestel and the French Teletel system. 1981[see teletext]. 1983Computerworld 23 May id–14/1 Telematics regards its entry as timely because of..the rise in such dissemination systems as viewdata and teletext. 1984N.Z. Farmer 23 Feb. 16/1 Two Viewdata pilot trials are to be started in the North Island this year. |