The goal of this paper is to discuss the role of usability testing in software development in South Africa. Throughout the software industry software engineers develop user interfaces (Ul) with little or no support from ...

Research is underway at the University of Port Elizabeth (UPE) to establish a framework for introductory IT courses to match the needs of future graduates of diverse programmes from the Faculties of Arts, Building Sciences, ...

In this paper we consider the consequences of e-learning design and implementation on the working processes and on the roles to be fulfilled in the usually cyclic process of course development and exploitation. We analyse ...

Facial expressions form an important part of human to human communication. In order to exploit the fall potential of computer networks and the Internet for communication and interaction, provision should be made for conveying ...

Computer crime and more particularly computer hacking has become increasingly active in today's business environment. Proof of this statement is a survey completed by the Computer Security Institute and the FBI which ...

Two polygons are adjacent if they have edges which share a common edge segment. In this paper we consider the problem of finding adjacencies in a set of n non-overlapping polygons. Using the fact that adjacent edges must ...

Computer scientists and information technologists are morally obliged to study the social impact of their technologies. They must also consider the results of the non-positivistic · approaches that are generally avoided ...

Organisations today face many issues that are complex and ill structured. The complexity of these issues does not lend themselves to structuring and formulation by quantitative models, or simple intuitive problem solving. ...

This paper presents preliminary work on the segmentation of Computed Tomography data using a model-based approach. Conventional image processing of CT data is aimed at the production of simple iso-surfaces far surgical ...

The RAMpage memory hierarchy is an alternative to the traditional division between cache and main memory: main memory is moved up a level and DRAM is used as a paging device. Earlier RAMpage work has shown that the RAMpage ...