Leon Pretorius

Learn More
With the advent of the Information Age and global connectivity, the ethical use of Information and Communication Technologies (ICT) has become essential. As the drive towards the establishment of a so-called IT profession gains momentum, ethical conduct and codes of ethics have recently been formulated and introduced formally. Forerunners in this initiative(More)
The advent of the Information Age and global connectivity has placed ethics center stage in the use of Information and Communication Technologies (ICT). As the drive towards the establishment of a socalled IT profession gains momentum, ethical conduct and codes of ethics have recently been formulated and introduced formally. Initiatives in this regard can(More)
Ubiquitous computing and global connectivity via the internet and the worldwide web raise new ethical as well as social questions and issues, and often require new interpretations of, and a fresh look at existing ones. In this paper we consider the teaching of Computer Ethics (CE) to our computing students. We review issues such as why the teaching of CE is(More)
This article proposes a process to manage the problem of electronic component obsolescence from a military product support perspective. By assessing applicable literature as well as feedback and lessons learned from relevant support projects, a methodology for the management of component obsolescence is proposed. The aim of the research is to provide a(More)
Introducing a new technology into a complex sociotechnical system will have planned as well as unplanned impact. The need for a new technology may arise from new technology available for improved performance (technology push) or changes in the environment that makes the current system ineffective (technology pull). Often(More)
Different Systems Engineering techniques and approaches are applied to design and develop complex sociotechnical systems for complex problems. In a complex sociotechnical system cognitive and social humans use information technology to make sense of a situation in support of decisions. The complex dynamic system elements, their interaction and, the complex(More)
Pressure from the Government of Kenya to have citizens connected to electricity as a means of improving their standard of living has resulted in a focus on the electricity utilities to expand the power distribution network. Contractors have therefore been approved to expedite the process. This has, however, resulted in sub-standard work being done by some(More)
The SA clothing industry shed over 67 000 jobs in the past three years (Bell, 2006).There is a possibility that more jobs may be shed in Durban (Kwa-Zulu Natal). The Alexander Report mentions that between July 2006 and May 2007 there was a drop of 5275 in employment figures (Palmi, 2007). The cut, make and trim (CMT) industries find it difficult to(More)