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Design and Evaluation of Cloud-Based Students Data Management System Usability

机译：基于云的学生数据管理系统可用性的设计与评估

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Cloud Computing Technology provides computing centers, providing an infrastructure for services [4]. services over Internet Protocol (IP), such as virtual private However, it is not necessary to incur administrative and networks (VPN), servers, storage, applications and hosting maintenance costs while moving the IT infrastructure into services needed by organizations and educational institutions. the Cloud computing [5]. Furthermore, today, there is In educational and learning institutions, this technology helps users (i.e., students, instructors, researchers, and administrators) to perform their tasks effectively with less cost and utilize the services that available by cloud-based applications offered by cloud service providers. This study is aimed to develop and evaluate a Student Data Management System (SDMS) in terms of system usability based on cloud database as a service (DaaS) to provide the necessary information to improve educational performance management in Yemen. This pilot study was conducted in five Language and Computer Institutes in Aden city of Yemen. The usability testing of this system was carried out on 45 teachers andadministrative staff as the participants of this study. The results showed that 95.8 % of the participants agree to use SDMS frequently, 95.5% agree that SDMS was easy to learn and 95.6% participants agree that SDMS was easy to use. In the final result of SDMS usability evaluation, a mean usability score of 83.6 was reported, this score indicates an excellent evaluation from the respondents based on the SUS score evaluation by Bangor et al. (2008), In other words there was a significant success of using cloud computing technology in terms of managing and storing of student's data to improve educational performance management in developing countries that facing severe strains on the national economy such as Yemen.
机译：云计算技术提供了计算中心，为服务提供了基础架构[4]。通过Internet协议（IP）进行的服务，例如虚拟专用服务。但是，在将IT基础架构转移到组织和教育机构所需的服务中时，不必招致管理和网络（VPN），服务器，存储，应用程序和托管维护成本。云计算[5]。此外，今天，在教育和学习机构中，该技术可以帮助用户（即学生，讲师，研究人员和管理员）以更少的成本有效地执行任务，并利用云提供的基于云的应用程序提供的服务服务供应商。这项研究旨在基于云数据库即服务（DaaS），在系统可用性方面开发和评估学生数据管理系统（SDMS），以提供必要的信息来改善也门的教育绩效管理。这项初步研究是在也门亚丁市的五个语言和计算机学院进行的。该系统的可用性测试是作为本研究的参与者，对45位教师和行政人员进行的。结果表明，有95.8％的参与者同意频繁使用SDMS，95.5％的参与者同意SDMS易于学习，而95.6％的参与者同意SDMS易于使用。在SDMS可用性评估的最终结果中，报告的平均可用性得分为83.6，该得分表明，根据Bangor等人的SUS得分评估，被调查者给出了出色的评估。 （2008年），换句话说，使用云计算技术在管理和存储学生数据方面取得了巨大的成功，从而改善了也门等面临国民经济严重压力的发展中国家的教育绩效管理。

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