Viewdata is a Videotex implementation. It is a type of information retrieval service in which a subscriber can access a remote database via a common carrier...

Formally, this is not a number sign but rather another character, U+2317 ⌗ VIEWDATA SQUARE. The real or virtual keypads on almost all modern telephones use...

Institute. Alphanumerics for viewdata and broadcast teletext (PDF). ITSCJ/IPSJ. ISO-IR-47. Substituted for the underscore in viewdata/teletext displays. Chan...

since the late 1960s, known as Viewdata. Unlike Teledata, a one-way service carried in the existing TV signal, Viewdata was a two-way system using telephones...

telephone), the brand name for the UK Post Office Telecommunications's Viewdata technology, was an interactive videotex system developed during the late...

Retrieved 8 October 2013. "Prestel::Micronet 800::Celebrating the Viewdata Revolution". www.viewdata.org.uk. Retrieved 2023-12-13. "Micronet advert: Micronet 800:...

based graphics mode available on that platform. Other systems used the Viewdata protocols made popular in the UK by British Telecom's Prestel service,...

character set. The SAA5050 was used in teletext-equipped television sets, viewdata terminals, and microcomputers, most notably on computers like the Philips...

allowed ZX Spectrum users to connect their machines to the Micronet 800 viewdata service via a Prism Micro Products VTX5000 modem. Micronet 800, hosted...

a television signal. All such systems are occasionally referred to as viewdata. Unlike the modern Internet, traditional videotex services were highly...