College of Science, Engineering and Technology: Recent submissions

Now showing items 341-360 of 2045

A Framework to Maximise the Communicative Power of Knowledge Visualisations

Renaud, Karen Van Biljon, Judy (ACM Association for Computing Machinery, 2019)

Knowledge visualisation, in the field of information systems, is both a process and a product, and is informed by the closely aligned fields of information visualisation and knowledge management. Knowledge visualisation ...
Requirements for an eModeration System in Private Schools in South Africa

Rajamany, Vanitha Van Staden, Corne Johandia Van Biljon, Judy (Springer Nature Switzerland AG, 2020)

Despite the growing importance of digitization in all aspects of teaching and learning, digital moderation (eModeration) has received little attention in research or practice. Considering the secondary school environment, no ...
User Experience Evaluation in eModeration: the case of Higher Education Institutions in Developing Countries

Van Staden, Corne Johandia Kroeze, Jan H Van Biljon, Judy (Springer Nature Switzerland, 2019)

While the need for the moderation of examination scripts as part of quality assurance is globally undisputable, moderation associated risks and challenges are more pronounced in developing countries. eModeration (online ...
Cohort Supervision: Towards a Sustainable Model for Distance Learning?

Van Biljon, Judy Pilkington, Colin Van der Merwe, P. van der merwe (Springer Nature Switzerland AG, 2020)

In response to the challenge of increasing supervision capacity while at the same time also improving the supervision experience, we used a design science research approach to guide the design, implementation and ...
Knowledge Transfer in Science Education: The Case for Usability-Based Knowledge Visualization Guidelines

Fadiran, Olakumbi Van Biljon, Judy Schoeman, Marthie (Springer Nature Switzerland AG, 2020)

There is growing evidence that visualization aids knowledge transfer. However, the cases where learners have been actively involved as cocreators of knowledge visualization aids are limited. Furthermore, employing knowledge ...
Teachers’ ICT Adoption in South African Rural Schools: A Study of Technology Readiness and Implications for the South Africa Connect Broadband Policy

Mwapwele, Samwel Marais, Mario Dlamini, Sifiso Van Biljon, Judy (LINK Centre, 2019)

The South Africa Connect national broadband policy of 2013 aims to ensure that the country achieves universal internet access by 2030, thereby fostering digital skills development. This study investigates one dimension ...
Multi-input multi-output proportional integral derivative controller tuning based on improved particle swarm optimization

Nkwanyana, Thamsanqa Bongani (2021-01)

The PID controller is regarded as a dependable and reliable controller for process industry systems. Many researchers have devoted time and attention to PID controller tuning and they all agree that PID controllers are ...
A machine learning-guided data integration framework to measure multidimensional poverty

Musungwa, Tapera (2021-03)

As developing nations like South Africa chart a path of socio-economic development, the spatialisation of progress, opportunity, and neglect is a critical antecedent to policy-making and regional interventionism. Efforts ...
Evaluating of DNP3 protocol over serial eastern operating unit substations and improving SCADA performance

Njova, Dion (2021-07-14)

Supervisory Control and Data Acquisition (SCADA) is a critical part of monitoring and controlling of the electrical substation. The aim of this dissertation is to investigate the performance of the Distributed Network ...
How brand function and corporate image create loyalty in North America, Europe, and Africa's Telecom service providers

Mohlala, Clene (2021-01)

Brand loyalty is seen as a repeat purchase and also the ability to recommend services or products. Telecommunication service providers require loyal customers to stay in business. The current thesis examines the impact ...
An investigation into digital vaccination records for minors in Gauteng, South Africa

Moonsamy, Wesley (2021-07-09)

The design and development of “e-Vaccination” applications are not extensively researched within developing economies, in part because of the difficulty in gaining access to government officials and medical experts. ...
Factors impeding the usage of elearning at a telecommunication organization in South Africa: bridging the gap with cloud services

Mere, Phoebus (2020-09)

With the enormous competition in the industry, organizations must frequently find better ways to embrace organizational learning. This research study advocates eLearning to be one of the best methods for organizational ...
Digital Technologies and Digital Skills in Organisations and Government in South Africa: An Environmental Scan

Twinomurinzi, H Msweli, Nkosikhona T. Phukubje, Phuti (Unisa Press and NEMISA., 2020-11)

This environmental scan research report represents the beginning of a research journey that seeks to identify the changing nature of digital skills in South Africa as a result of technological advancements, more popularly ...
Uptake and Mutual Recognition of MOOCs in South Africa

Twinomurinzi, H Msweli, N. T. (Unisa Press and NEMISA, 2021-01)

The findings revealed the great extent to which multifaceted change and flexibility is needed at institutional and individual levels if MOOCs are to be adopted successfully and cross-accredited across higher education ...
Digital Skills in South Africa at the Citizen Level

Twinomurinzi, Hossana Mawela, Tendani Msweli, Nkosikhona T. Phukubje, Phuti (NEMISA & Unisa Press., 2021-01)

The environmental scan on digital skills in South Africa at the citizen level is a South African innovation in an emerging field aimed at understanding the state of digital skills in South Africa. The results from the ...
Improvement of vibration behaviour of small-scale wind turbine blade

Babawarun, Tolulope (2020-02)

Externally applied loads from high winds or impacts may cause structural damage to the wind-turbine blade, and this may further affect the aerodynamic performance of the blade. Wind-turbine blades experience high vibration ...
Use of recovery-by-size data from batch testing in estimating the performance of continuous flotation operations

Khumalo, Robert Bheki (2021-05)

The work title ‘Use of Recovery-by-Size Data from Batch Testing in Estimating the Performance of Continuous Flotation Operations’ seeks to validate available theories against recovery-by-size batch flotation data and ...
Measuring Mobile Collaborative Learning and academic achievement : whatsapp and students in South Africa

Nyembe, Bangisisi Zamuxolo Mathews (2021-01)

Mobile learning has developed into an essential component within the education landscape and, with two billion users worldwide, the social media platform WhatsApp has become a prominent feature in this domain. Nevertheless, ...
Development of a diagnostic instrument and privacy model for student personal information privacy perceptions at a Zimbabwean university

Maguraushe, Kudakwashe (2021-05)

Orientation: The safety of any natural being with respect to the processing of their personal information is an essential human right as specified in the Zimbabwe Data Protection Act (ZDPA) bill. Once enacted, the ZDPA ...
A theoretical analysis of the implications of comminution practices on open pit mine planning

Thage, Rorisang Gomolemo (2020-12)

The implications of comminution practices on the planning of a typical open pit mine was investigated in this study by means of computer simulation. The objective was to assess the effects of mining costs as well as ...

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