
Communications
branches or dealers, and ordering facilities for customers. The travel
industry in particular has adopted the system for booking package
tour holidays, and nearly all ABTA members have at least one view-
data terminal. Also some schools and colleges and even some
individuals operate on-line viewdata systems, and you can access
these free of charge.
Prestel and similar systems use teletext screen displays, which
employ a standard teletext alphanumeric and graphics character set
The size of the display is 40 characters across by 25 lines down,
which limits the information displayed to only half that available
on the normal 80-colum ...