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Videotex (or
interactive videotex) was one of the
earliest implementations of an end-user
information system. From the late 1970s to
early 2010s, it was...
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Videotex are based, to
greater or
lesser extents, on ISO/IEC 2022.
Three Data
Syntax systems are
defined by ITU T.101,
corresponding to the
Videotex systems...
- Alex was an
interactive videotex information service offered by Bell
Canada in
market research from 1988 to 1990 and
thence to the
general public until...
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National Videotex Network (NVN) was an
online service launched in 1992 by U.S. Videotel. The
service was
meant to
compete with
similar text-based online...
- The Minitel,
officially known as TELETEL, was an
interactive videotex online service accessible through telephone lines. It was the world's
first and most...
- and
Pattern Telephone Access Information Network system) was a ****anese
videotex system created by NTT.
Announced in 1978, it was
trialled from 1979 to...
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World System Teletext, and used for the
Viewdata and
Teletext variants of
Videotex in Europe. The
following tables show
various Teletext character sets. Each...
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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...
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Lisboa e
Porto (TLP) and Correios,
Telefones e Telégrafos (CTT) for its
Videotex services. It was the
property of Transdata, a
joint venture between CTT...
- above, has its own variations.
Videotex has a
completely different set.
Teletext also
defines a set
similar to
Videotex. T.61/T.51, and
others replaced...
