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Browsing Quaestiones Informaticae Vol 6 No 1 by Title

Browsing Quaestiones Informaticae Vol 6 No 1 by Title

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  • A Structural Model of Information Systems Theory 
    Mende, J. (Computer Society of South Africa (on behalf of SAICSIT), 1988)
    The laws and techniques of maJure sub1ects such as Physics and Electrical Engineering are logically connected to one another in the form of a deductive network There is a foundation of basic laws deriving from them ...
  • The use of colour in raster graphics 
    Smit, P.J. (Computer Society of South Africa (on behalf of SAICSIT), 1988)
    Colour computer graphics covers a wide field of applications such as games, computer aided-design, image processing and digital terrain modelling. The traditional way of using colour in raster graphics systems, the RGB ...
  • Using NLC-Grammars to Formalise the Take/Grant and Send/Receive Security Models 
    De Villiers, D.P.; Von Solms, S.H. (Computer Society of South Africa (on behalf of SAICSIT), 1988)
    In this paper the Send/Receive and Take/Grant logical security models are formalised using results from formal language theory. By using the graph rewriting facilities of NLC-grammars, and by extending these facilities ...

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