https://ir.unisa.ac.za/handle/10500/24080 Wed, 06 May 2026 12:46:13 GMT 2026-05-06T12:46:13Z https://ir.unisa.ac.za/handle/10500/24089 A Virtual Multiprocessor Computer Design Turton, Trevor This paper describes computer design which 'would achieve a high instruction throughput rate on a relatively modest amount of hardware. It is based on multiprogramming the CPU at a sub-instruction level. The design will cope well with current computer workloads in on-line environments, where conditional branches and interrupts are frequent. The paper shows that when current high performance computers execute general jobstreams which include on-line work, they require about five machine cycles for each instruction completed, while this design should achieve close to one instruction per cycle_ This level of performance can be realized without the large investments in complexity which current high performance computers make in order to reduce the number of cycles per instruction. Furthermore, the design can be made to be program compatible with any current general purpose multi-processor. Sun, 01 Jan 1984 00:00:00 GMT https://ir.unisa.ac.za/handle/10500/24089 1984-01-01T00:00:00Z https://ir.unisa.ac.za/handle/10500/24088 Program Design as the Tool of Preference in Computer Literacy Education, Experience, Incentives, Implications Richfield, J.M. Structured program design is urged as a rewarding vehicle for the introduction of computer concepts to age groups ranging from mid primary school to senior management. Progressively expanded subsets of the material form natural units after each of which the student may continue to more advanced levels, or stop with a logically coherent grasp of the subject so far. The intellectual and practical value of the concepts are emphasised together with the speed with which they can be instilled. Material requirements and training aims are illustrated with an outlined instructional procedure. Sun, 01 Jan 1984 00:00:00 GMT https://ir.unisa.ac.za/handle/10500/24088 1984-01-01T00:00:00Z https://ir.unisa.ac.za/handle/10500/24087 Concurrency: An Easier Way to Program Mueller, C.S.M. Why concurrency in itself should be seen as a method of programming, is discussed. Current approaches to concurrent programming are evaluated in terms of e~e qt programming. The properties required to decompose the program functionally, using concurrency, are then developed. Sun, 01 Jan 1984 00:00:00 GMT https://ir.unisa.ac.za/handle/10500/24087 1984-01-01T00:00:00Z https://ir.unisa.ac.za/handle/10500/24086 A Context Sensitive Metalanguage for Intelligent Editors Kaplan, S.M. The notion of and mot1vat1on for intelligent editor systems 1s introduced, spec1f1cally a language independent intelligent editor called "PASTOR" We also introduce and discuss the metalanguage used in the editor for grammar spec1f1ca t1on We discuss the issues of context sens1t1v1ty checking in such an editor and show how a grammar spec1f1cat1on may be enhanced with a high level "abstract machine language" to achieve these checks These enhancements are illustrated by showing spec1f1cat1ons of various contexts sens1t1ve checks for grammar rules for PASCAL Sun, 01 Jan 1984 00:00:00 GMT https://ir.unisa.ac.za/handle/10500/24086 1984-01-01T00:00:00Z