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Browsing Quaestiones Informaticae Vol 1 No 2 by Type "Article"

Browsing Quaestiones Informaticae Vol 1 No 2 by Type "Article"

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  • An Algorithm for Merging Disk Files in Place 
    Roets, P. P. (Computer Society of South Africa (on behalf of SAICSIT), 1979)
    An algorithm is presented for sorting a random access file in place. The algorithm is unique in the sense that no auxiliary storage, apart from a number of buffers in the machine's high-speed memory, is required. In ...
  • An Algorithm for the Approximation of Surfaces and for the Packing of Volumes 
    Christensen, A. H. J. (A. H. J. Christensen (1979) An Algorithm for the Approximation of Surfaces and for the Packing of Volumes. Computer Society of South Africa (on behalf of SAICSIT), 1979)
    An algorithm is presented here that approximates a given swface A by a set of regular or semi-regular faces forming a polyhedron C. If the faces are all square, C assumes the aspect of a 'blocked' swface. It is also ...
  • Database Design: Choice of a Methodology 
    King, M. C. F.; Naude, G.; von Solms, S. H. (Computer Society of South Africa (on behalf of SAICSIT), 1979)
    Aspects are discussed of the pract.Ical applicat.Ion of recent relatlonal theory The relevant defirut.Ions, extracted from vanous papers, have been restated usmg a common notat.Ion An attempt is made to descnbe unambiguously ...
  • Design Principles of the Language BPL 
    Williams, M.H. (Computer Society of South Africa (on behalf of SAICSIT), 1979)
    BASIC and Pascal are two rather different programming languages, both of which have proved to be very popular. A new language BPL has been designed as an interactive programming language based on these two languages, ...
  • Die Toepaslikheid van 'n Analitiese Model by die Keuse van 'n Leerstruktuur vir 'n Teksverwerkingstelsel 
    Penzhorn, A. (Computer Society of South Africa (on behalf of SAICSIT), 1979)
    Die keuse van 'n geskikte leerorganisasie vir 'n rekenaarstelsel is nie altyd eenvoudig en voor die hand liggend nie. In die geval onder bespreking moet 'n geskikte leerorganisasie gekies word vir 'n teksverwerkingstelsel ...
  • Direct Fortran/lDMS Interface (without the use of a DML) on the ICL 1904/2970 Computers, using a geological data base as example. 
    Day, Barbara (Computer Society of South Africa (on behalf of SAICSIT), 1979)
    The Integrated Data Base Management System (IDMS) originally had only a CO~C?L d~ta manipulation language (DML). Recently a DML for FORTRAN on the 2900 series of ICL computers has been produced. This 1s a piece of software ...
  • The Impact of Microcomputers in Computer Science 
    Danhof, Kenneth J.; Smith, Carol L. (Computer Society of South Africa (on behalf of SAICSIT), 1979)
    This paper considers the emerging role of the microcomputer laboratory in a computer science department The components for a particular laboratory are suggested. These include the microcomputers themselves, supporting ...
  • The Management of Operating System State Data 
    Turton, Trevor (Computer Society of South Africa (on behalf of SAICSIT), 1979)
    A new approach is proposed for the management of operating system state data. Relational database concepts are suggested for the analysis and organization of this data, and a common central service routine is described ...
  • Rekenaarondersteunde Onderhoud van Programmatuurstelsels 
    Anderssen, E.C. (Computer Society of South Africa (on behalf of SAICSIT), 1979)
    Die probleme wat vandag gerekenariseer word is van so 'n ingewikkelde aard, datdie programmeringsproses self ook uitermate ingewikkeld geword het Ten einde die programrneerder in sy taak by te staan is heelwat "werktuie ...
  • The Sequence Abstraction in the Implementation of Emily 
    Currin, Desmond C.; Bishop, B.M.; Varol, Y. L. (Computer Society of South Africa (on behalf of SAICSIT), 1979)
    Emily is a general purpose computer aided lllstruction language with a novel nnplementatlon At the user s level, Emily consists of two languages an mstruction language, wlu.ch 1s used by authors to prepare lessons and a ...
  • Teacher Control in Computer-Assisted Instruction 
    Calingaert, Peter (Computer Society of South Africa (on behalf of SAICSIT), 1979)
    To many persons, computer-assisted instruction (CAI) connotes automated programmed instruction (PI). This exemplifies the authorcontrolled mode of CAI, in which PI, suitably generalized, is mediated by the computer. This ...

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