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In telecommunication, a viewdata is a Videotex implementation, a type of information- retrieval service in which a subscriber can (a) access a remote database via a common carrier channel, (b) request data, and (c) receive requested data on a video display over a separate channel.

Viewdata is still in use today in the United Kingdom, mainly by the travel industry. Travel agents use it to look up the price and availablity of package holiday s and flights, once they find what the customer is looking for they can place a booking. Originally Viewdata was accessed with a special perpose terminal, today it is normally accessed over TCP/IP using Viewdata client software on a Personal Computer running Microsoft WindowsImage use policy. Microsoft Windows is a range of commercial operating environments for personal computers. The range was first introduced by Microsoft in 1985 and eventually has come to dominate the world personal computer market. All recent versions of.

The travel industry is trying to move away from Viewdata to a Web based standard. There are a number of factors holding up a move to the Web. Travel consultants have been trained to use Viewdata, they would need training to book holidays on the Internet. The Tour operatorA tour operator typically combines components to create a holiday. The most common example of a tour operator's product would be a flight on a charter airline plus a transfer from the airport to a hotel and the services of a local representative, all fors can't agree on a Web based standard.

Note: The access, request, and reception are usually via common carrier broadcast channels. Contrast with teletextTeletext is an information retrieval service provided by television broadcast companies. Teletext pages can be viewed on television sets with suitable decoders. They offer a range of text-based information, usually including national, international and sp.

See also

This text was originally based on Federal Standard 1037CFederal Standard 1037C entitled Telecommunications: Glossary of Telecommunication Terms is a U. Federal Standard, issued by the General Services Administration pursuant to the Federal Property and Administrative Services Act of 1949, as amended. This docu

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