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Browsing Quaestiones Informaticae Vol 4 No 3 by Issue Date

Browsing Quaestiones Informaticae Vol 4 No 3 by Issue Date

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  • In praise of solid state discs 
    Ridler, P.F. (Computer Society of South Africa (on behalf of SAICSIT), 1986)
    Various ways of using random access memory to emulate a magnetic disc storage system are described and the advantages and disadvantages are enumerated. An algorithm for making use of a solid state disc is given which avoids ...
  • What's wrong with CP/M? 
    Byron-Moore, S.P. (Computer Society of South Africa (on behalf of SAICSIT), 1986)
    Trends in operating systems are examined in the light of advances in computer hardware. Consideration is given to the desirability of a good, up-to-date single-user operating system. The specification and implementation ...
  • Protection of computerised private information: A comparative analysis 
    Van der Poel, K.G.; Bryson, I.R. (Computer Society of South Africa (on behalf of SAICSIT), 1986)
    The principles of protection of private information have gradually been defined during the last decades. The US Privacy Act of 1974 regulates practices of the federal government. Two committees of the UK government ...
  • Low-cost artificial intelligence research tools 
    Machanick, Philip (Computer Society of South Africa (on behalf of SAICSIT), 1986)
    There has been a proliferation of low-cost AI tools. Consideration is given as to how significant research may be conducted using these tools, in the light of experience of developing Al tools on large, expensive machines. ...
  • A partial RJE pad specification to illustrate LOTOS 
    Kourie, D.G. (Computer Society of South Africa (on behalf of SAICSIT), 1986)
    LOTOS (Language Of Temporal Ordering Specification) is employed to give a partial specification of a system to connect RJE devices across an X.25 network. The system's implementation has been described fully elsewhere ...
  • Laws and techniques of information systems 
    Mende, J. (Computer Society of South Africa (on behalf of SAICSIT), 1986)
    Research has a utilitarian role of providing the knowledge needed by the designers of mankind's artefacts. In this context four distinct categories of knowledge are identifiable. 1. Laws of Nature describe inherent ...
  • Models to evaluate the state of computer Facilities at South African universities 
    Bruwer, P.J.S.; Hattingh, J.M. (Computer Society of South Africa (on behalf of SAICSIT), 1986)
    Computer technology has grown exponentially in the course of the past decade in terms of sophistication - not only with regard to hardware and networks, but also with regard to mainframe and micro-computer systems. ...
  • A high-level interface to a relational database System 
    Berman, Sonia; Walker, L. (Computer Society of South Africa (on behalf of SAICSIT), 1986)
    A high-level language for accessing a relational database is being developed at UCT. The system, known as HAL (High-level Access Language), provides complete data independence as users view the database in terms of ...
  • The development of an RJE/X.25 pad: a case study 
    Carey, C.W.; Hattingh, C.; Kourie, D.G.; Van den Heever, R.J.; Verkroost, R.F. (Computer Society of South Africa (on behalf of SAICSIT), 1986)
    This paper describes the practical aspects of a protocol system implementation. The software for a BSC/X.25 Packet Assembler/Disassembler (PAD) was designed, developed and tested. The PAD was designed to support ...

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