College of Science, Engineering and Technology: Recent submissions

Now showing items 221-240 of 1998

The role of cobalt species in Fischer Tropsch synthesis: effects of support characteristics and reducing conditions

Shiba, Nothando Cynthia (2021-07-20)

The industry’s great interest is to intensify the cobalt-based Fischer-Tropsch synthesis (FTS) process by increasing the per-pass conversion and the production of long chain hydrocarbons. To achieve this goal, it is ...
Adsorptive desluphursation of diesel fuel on unprocessed amarula (sclerocarya birrea) wastes or synthesized activated carbons from biomass wastes

Kabi, Tsepiso Regina (2020-10)

Diesel fuel has been found to contain highly concentrated organo-sulphur compounds which have bad impact economically, environmentally, and health-wise. Adsorptive desulphurization (ADS) is one of the promising processes ...
A taxonomy of eLearning frameworks

Zebiba Ali Abegaz (2021-10-08)

Research in the age of the knowledge economy has revealed that there is a growing demand for human skills to fit changes necessitated by breakthrough technology (Information and Communication Technology) innovation in ...
A cloud business intelligence security evaluation framework for small and medium enterprises

Moyo, Moses (2021-09-28)

Cloud business intelligence has practical importance in data management and decision-making, but the adoption and use among South African small and medium enterprises remain relatively low compared to large business ...
A framework for cyber security awareness in small, medium and micro enterprises (SMMEs) in South Africa

Lejaka, Tebogo (2021-10)

In South Africa, there is a rapid increase of cyber attacks intended for organisations regardless of size and industry. Cyber attacks are directed at businesses of all sizes; however, small, medium and micro enterprises ...
NEMISA Summit and Colloquium 2022

Unknown author (National Electronic Media Institute of South Africa, 2022-02-15)

The theme for the events was "The Future of Work and Digital Skills". The 4IR caused a hollowing out of middle-income jobs (Frey & Osborne, 2017) but COVID-19 exposed the digital gap as survival depended mainly on digital ...
A framework for activity-based computer programming instruction in a blended learning environment

Freeman, Emmanuel (2021-03)

The primary objective of this study is to develop a framework for an activity-based computer programming instructional approach in a blended learning environment of Higher Education Institutions. The impetus for this study ...
A service-oriented technical framework for the development of integrated education management information system

Adenubi, Ademola Olaide (2021-09)

The increasing demand for education, especially tertiary education, has triggered a lot of challenges within the university system, especially in developing nations like Nigeria. These challenges include management and ...
Clinics register based HIV prevalence in Jimma zone, Ethiopia: applications of likelihood and Bayesian approaches

Bedaso, Nemso G.; Debusho, Legesse K. (2022-03-24)

Abstract Background The distribution of HIV is not uniform in Ethiopia with some regions recording higher prevalence than others. However, reported regional HIV prevalence ...
Towards a framework for online information security applications development: A socio-technical approach

Mujinga, Mathias; Eloff, Mariki M; Kroeze, Jan H (South African Computer Journal, 2019-07-27)

The paper presents a validated socio-technical information security (STInfoSec) framework for the development of online information security (InfoSec) applications. The framework addresses both social and technical aspects ...
System usability scale evaluation of online banking service: A South African study

Mujinga, Mathias; Eloff, Mariki M; Kroeze, Jan H (South African Journal of Science, 2018-03-27)

Online banking is a critical service offered by financial institutions to their clientele to facilitate easier and faster access to financial services and transactions. Banks currently spend huge amounts of money on ...
Adoption of transport management systems in the South African taxi industry

Musanhi, Nyaradzo (2021-11-19)

This study investigated how the attitudes of taxi entrepreneurs affect their acceptance of transport management systems in the South African taxi industry. The study was instigated by a rise in the adoption of transport ...
A machine learning based credit card fraud detection using the GA algorithm for feature selection

Ileberi, Emmanuel; Sun, Yanxia; Wang, Zenghui (2022-02-25)

The recent advances of e-commerce and e-payment systems have sparked an increase in financial fraud cases such as credit card fraud. It is therefore crucial to implement mechanisms that can detect the credit card fraud. ...
Causes of low enrolment in ICT-related courses : a case of TVET colleges in the North West province of South Africa

Nthutang, Bakang (2021-11)

As technology develops at a hastening pace, the extent of the Information and Communication Technology (ICT) skills shortage is made more profound. This study investigated the causes of low enrolment in ICT-related courses ...
One-class SVM and supervised machine learning models for uncovering associations of non-coding RNA with diseases

Gutiérrez Cárdenas, Juan Manuel (2022-01)

The study of MicroRNAs (miRNAs), long non-coding RNAs (lncRNAs) and gene interactions may be expected to provide new technologies to serve as valuable biomarkers for personalized treatments of diseases and to aid in the ...
A mobile application for supply chain coordination of artemisinin-based combination therapy drugs

Ramovha, Tshililo (2021-07)

The purpose of this study was to develop a mobile application for the supply chain coordination of Artemisinin-based Combination Therapy (ACT) drugs that addresses overstock and understock issues in a multi-embedded ...
The Impact of Information and Communication Technology on Carbon Emissions in Emerging Markets

Tsaurai, Kunofiwa; Chimbo, Bester (2019)

This study explored the influence of information and communication technology (ICT) on carbon emissions in emerging markets using panel data analysis methods (fixed effects, random effects, pooled OLS, FMOLS) with annual ...
Investigating the Influence of Internet Usage on Income Inequality in Transitional Countries

Tsaurai, Kunofiwa; Chimbo, Bester (2021)

The study investigated the impact of internet usage on income inequality in transitional economies using panel data ranging from 2008 to 2019. The second objective was to find out the influence of the complementarity between ...
Modeling, analyzing and simulating the dynamics of Lassa fever in Nigeria

Ojo, Mayowa M.; Goufo, Emile F. D. (2022-01-25)

Abstract Lassa fever is an infectious and zoonotic disease with incidence ranging between a hundred to three hundred thousand cases, with approximately five thousand deaths reported yearly in West Africa. ...
Classification and severity prediction of maize leaf diseases using Deep Learning CNN approaches

Sibiya, Malusi (2021-06)

Maize (zea mays) is the staple food of Southern Africa and most of the African regions. This staple food has been threatened by a lot of diseases in terms of its yield and existence. Within this domain, it is important ...

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