The International Journal of Micrographics & Video Technology, Volumen 2Pergamon Press, 1983 |
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Página 81
... Prestel At the end of October 1982 there were 20,448 Prestel sets in use by 18,511 registered users . 237,139 Prestel frames were then available from 163 information providers . The growth in take - up during 1982 was marked . British ...
... Prestel At the end of October 1982 there were 20,448 Prestel sets in use by 18,511 registered users . 237,139 Prestel frames were then available from 163 information providers . The growth in take - up during 1982 was marked . British ...
Página 151
... Prestel page . The answers from up to 500 Prestel home customers who live in the TVS area , along the south coast and as far north as Reading were input to a Prestel computer centre in London and then analysed , again by computer , in ...
... Prestel page . The answers from up to 500 Prestel home customers who live in the TVS area , along the south coast and as far north as Reading were input to a Prestel computer centre in London and then analysed , again by computer , in ...
Página 183
... Prestel as an extra cost rather than a replacement for his information needs which is one reason why there are relatively few Prestel subscribers while teletex ( Ceefax and Oracle ) has swept in and users now number around 800,000 ...
... Prestel as an extra cost rather than a replacement for his information needs which is one reason why there are relatively few Prestel subscribers while teletex ( Ceefax and Oracle ) has swept in and users now number around 800,000 ...
Índice
MICROGRAPHICS | 1 |
Shephard 101 The various roles of secondary publications some thoughts | 6 |
Robert J Kalthoff 5 Micrographicbased versus laserbased optical mass memories | 27 |
Página de créditos | |
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Términos y frases comunes
abstracts applications Association automation Britain British Standards British Telecom camera cards catalogue colour colourfiche communications Corporation cost customers data base database display document electronic publishing Elmsford equipment Fairview Park fiche files format graphics hard copy Headington Hill Hall Homelink Imtec industry information systems input International ISO equivalent Journal of Micrographics Kodak laser London MAGB magnetic magnetic tape material micro microcomputer microcopying microfiche microfilm microform MICROGRAPHICS & VIDEO micropublishing National Library operation optical disk output paper patent PATSEARCH Pednor Pergamon Press Ltd Prestel Printed problems processing production publication readers recording REMARC retrieval roll film screen storage stored stylus subscription tape technical technical drawings Teletex terminal Thermography tion Torch Computers ultrafiche unit users VIDEO TECHNOLOGY Vol videodisc videotex viewdata