Noun
viewdata (usually uncountable, plural viewdatas)
English Wikipedia has an article on:viewdataWikipedia
(often attributive) An information retrieval service of the 1970s and 1980s permitting subscribers to access a remote database and receive requested data on a video display.
Other systems used the Viewdata protocols made popular in the UK by British Telecom 's Prestel service, and the on-line magazine Micronet 800 whom were busy giving away modems with their subscriptions. Source: Internet
Viewdata Graphics used in the experimental phone directory of Post Office Telecommunications in 1977. Source: Internet
Viewdata is a Videotex implementation. Source: Internet
Viewdata is regarded within the industry as low-cost and reliable, travel consultants have been trained to use Viewdata, they would need training to book holidays on the Internet, and tour operators cannot agree on a Web-based standard. Source: Internet