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Relative Time Quantum-based Enhancements in Round Robin Scheduling

Computer Systems Science & Engineering 2022年第5期41卷 461-477页

作者： Sardar Zafar Iqbal hina gull Saqib Saeed Madeeha Saqib Mohammed Alqahtani Yasser A.Bamarouf Gomathi Krishna May Issa Aldossary Department of Computer Information Systems College of Computer Science and Information TechnologyImam Abdulrahman Bin Faisal UniversityP.O.Box No.1982DammamSaudi Arabia

Modern human life is heavily dependent on computing systems and one of the core components affecting the performance of these systems is underlying operating system.Operating systems need to be upgraded to match the needs of modern-day systems relying on Internet of Things,Fog computing and Mobile based applications.The scheduling algorithm of the operating system dictates that how the resources will be allocated to the processes and the Round Robin algorithm(RR)has been widely used for it.The intent of this study is to ameliorate RR scheduling algorithm to optimize task scheduling.We have carried out an experimental study where we have developed four variations of RR,each algorithm considers three-time quanta and the performance of these variations was compared with the RR algorithm,and results highlighted that these variations performed better than conventional RR algorithm.In the future,we intend to develop an automated scheduler that can determine optimal algorithm based on the current set of processes and will allocate time quantum to the processes intelligently at the run time.This way the task performance of modern-day systems can be improved to make them more efficient.

关键词： CPU scheduling Round Robin enhanced Round Robin relative time quantum operating systems

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Toward Safe and Usable Technologies for Autistic: Risks Identification and Mitigation Guidelines

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Open Journal of Applied Sciences 2019年第1期9卷 26-44页

作者： Nesrine Mezhoudi hina gull Mohammed A. Alqahtani Nahla El-Haggar Moez Ayachi Department of Computer Information Systems College of Computer Science and IT Imam Abdulrahman Bin Faisal Univer-sity P. O. Box 1982 Dammam Saudi Arabia Department of Computer Science Community College Imam Abdulrahman Bin Faisal University Dammam Saudi Arabia General Study Department Dammam College of Technology Dammam Saudi Arabia

Recent advances in technology provide countless innovative solutions and applications for supporting children with autism in educational learning and personal development. This result is an increasingly recognized need to deal with new and unexpected risks and issues such as social exclusion. Diverse advanced technologies were aimed to support learning activity from different perspectives with multiple strategies. However, despite the significant amount of work and explored technology, several common risks pop up due to user’s vulnerability to diverse risks such as negative screen effects. Accordingly, there is still plenty of room for improvement in this regard. To address these vulnerabilities and gaps, this paper aims at identifying issues and challenges improving the technology applied for Autism Spectrum Disorders and autistics dedicated applications. It put forward requirements and design decisions supporting safe autistic dedicated interaction with regards to ISO31000 risk management process.

关键词： Autism Spectrum Disorders Supportive Technology Risk-Awareness ISO31000 IT Risks

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