The use of modern information and communication technology as a means of training pupils and students has become a popular trend. For this purpose, a special type of web-based content management systems, called Learning Management Systems (LMSs), has been used. Due to their wide implemented, lots of LMSs have been developed in recent years. All those platforms often provide similar features and users can hardly choose the most appropriate for them. There is a variety of methodologies for the quality evaluations of e-learning in the scientific literature. However, there are no good explanations and detailed studies of most of the modern LMS platforms. This article proposes an analysis of the usability and software functionality of the LMS frameworks. Based on the survey of the state-of-art science research, the criteria for analysis of the LMS platforms in this paper are summarized in three categories: Learning skills tools, Communication tools, and Productivity tools. The main goal is to present a wide-range comparative analysis of 36 electronic learning management systems. All of them support the use of multimedia elements, creating and editing the lectures, exercises and course assignments. The lack of communication support leads to using web forums and social networks out of the LMS. The contribution of this paper presents an enriched modern trend of the software methodologies of the web-based oriented learning management systems from the perspective of design and development.
Modern mobile devices are becoming more and more popular in children’s lives. Therefore, the development of appropriate applications for them is of crucial importance. This article focuses precisely on the design of interfaces for mobile application with the participation of children. An overview of contemporary research related to Child-Computer Interaction (CCI) is made. The opinion of the children aged from 4 to 13 years on the possibilities and the features of the interface of mobile applications is investigated. The results obtained are summarized and analyzed. The prototype of a mobile application which corresponds to the preferences of the children under investigation is presented. Finally, the article specifies some future directions for research.
Abstract-This paper presents the results of a comparative analysis between different approaches to experimental data storage and processing. Several studies related to the problem and some methods for solving it have been discussed. Different types of databases, ways of using them and the areas of their application are analyzed. For the purposes of the study, a relational database for storing and analyzing specific data from behavioral experiments was designed. The methodology and conditions for conducting the experiments are described. Three different indicators are analyzed, respectively: memory required to store the data, time to load the data from an external file into computer memory and iteration time across all records through one cycle. The obtained results show that for storing a large number of records (in the order of tens of millions rows) either dynamic arrays (stored on external media in binary file format), or an approach based on a local or remote database management system can be used. Regarding the data loading time, the fastest approach was the one that uses dynamic arrays. It outperforms significantly the approaches based on a local or remote database. The obtained results show that the dynamic arrays and the local data sets approaches iterated much faster across all data records than the remote database approach.
Mobile apps can be used in various environments and at any time. People used them for learning, communications, and entertainment. Because of the ease use of mobile devices interface (like smartphone and tablet), then everyone, including the children with special needs, can have used them. In recent years, there has been an increase in the efforts of educational institutions and of scientists to support children in their daily life. Ongoing developments in communication and information technologies contribute to this process. The main goal of this study is to present the basic functional requirements for the mobile apps for children with special needs. The current state of the scientific research related to the design and development of mobile apps is discussed. This issue became very important in the last years because of an increase in the number of children with special needs on a worldwide scale is observed. And the same time the increase in the use of mobile technologies of them. The proposed model for the evaluation of potential utility provides for the classification of the mobile applications designed for children with special needs about their functionality features. This model is based on our studies of the state-of-art scientific works of many authors. Whit the model for the evaluation of potential utility, the 27 mobile applications for children with special needs, downloaded from the mobile application stores: Apple Store, Google Play and Store Windows Phone Apps, were classified and analyzed. The results showed that despite the variety of mobile applications, those that are suitable for children with special needs are too few. Most of the applications cover only half of the evaluation criteria, which means they have functionalities only for individual needs. Therefore, the proposed utility function metrics of the evaluation can be used as a basis for interface developing for mobile apps, appropriate for children with special needs.
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