The Telidon Book: Designing and Using Videotex SystemsDave Godfrey, Ernest Chang |
Contents
Introduction | 1 |
Market Factors | 7 |
Marketing Strategies | 81 |
Copyright | |
9 other sections not shown
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Common terms and phrases
alphanumeric applications ASCII AT&T Bell Canada BILDSCHIRMTEXT broadcast byte cable Canadian CEEFAX Chapter coaxial cable code set color Communications consumer control code coordinates cost data definition language database system DATAPAC defined disk display document electronic encoding example external database format frame ID gateway geometric figures Graphics Functions graphics tablet hardware hierarchy host computer implementation Infomart information provider input interactive interface keypad keyword language linked menu mode modem NATAL Norpak Northern Telecom operating system packet PDI's personal computers picture pointer PRESTEL problem Project Ida protocol raster record retrieval satellites schema screen signal specific standard storage stored structure telematic telephone teletext television TELIDON TELIDON system TELIDON terminal tion transmission trials TVOntario UNIX update Vertical Blanking Interval videotex database videotex systems viewdata