Videotext

Videotext is an interactive information services from the central computer that allows individuals to request information from the central computer frame by telephone or cable, to be displayed there is a video display screen.

Videotext, or also known as video-text, and teletext is an information service in the form of alphanumeric text and graphics through a television screen.

Videotext can present information in a limited number of pages, depending on the memory capacity of the central computer.

Videotext developed by Sam Fedida and colleagues at the British Telecommunications Research Laboratories in 1971.

In any format developed various countries according to the above, Videotext remains a superior technology that combines mass communication with computer technology. Surce : www.wikipedia.com