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User models are essential to e-learning systems, giving students learning continuity, tutors evidence of students' progress, and both a way to personalize students' learning materials to their abilities and preferences. Personalizing information has long been the motivation behind developing e-learning systems. Adaptive educational systems attempt to maintain a learning style profile for each student and use this profile to adapt the presentation and navigation of instructional content to each student. This kind of system adapts the learning process on the basis of the student's learning preferences, knowledge, and availability. One such Webbased tool is built at the Business School of Professional Studies in Blace (the system of intelligent evaluation using tests), which infers student knowledge using adaptive testing. The knowledge is not evaluated according to fixed standards, but it depends on individual characteristics of each student, therefore, the learning style which is the most suitable. This system is part of the integrated assessment system inside of integrated curriculum. ß

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Current technologies give us the ability to enhance and replace developmental classes with computer-based resources, often called Web laboratories. Web laboratories have become a very useful support for practical aspects of teaching methods. This article presents a Web-based laboratory, which makes learning of base principles of computer network possible.

In the 21st century, education represents a key factor of economic and social development of a community. The majority of traditional methods intended for education are no longer suitable for it, since they are unable to meet the students' needs. Mobile learning represents a new educational channel, which allows access from any place at any time. In this paper, an overview of various forms of education is provided, concepts of mobile learning are discussed, educational mobile applications are analyzed, and the design and the prototype of a mobile application intended for learning, called mTester, is described. Finally, the paper presents a case study of mobile learning use, conducted at the Business School of Applied Studies in Blace, Serbia. The first results show an improvement in the realization of courses and in the students' final grades. ß 2016 Wiley Periodicals, Inc. Comput Appl Eng Educ 24:412-420, 2016; View this article online at wileyonlinelibrary.com/journal/cae;

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This paper describes a web-based computer network simulator. The system is realised in Java programming language and can be executed as a standalone Java application or Java applet. The environment enables process visualisation and simulation in computer networks with arbitrary topology. Physical and logical IP addressing of computers and router interfaces are supported, as well as working with sub-networks. Routers enable static packet routing, importing static routes in the configuration procedure. Components are configured using configuring dialogue (standard Windows dialogue), or using a line command interface. The processes of forming, addressing, sending, transferring and receiving of frames are visualised, where functions of network devices such as hub, switch and router, are explained. The system enables the creation of many laboratory exercises, which offer students opportunities to follow visually characteristic processes in computer networks. Web-based technology enables the computer network simulator to be used in distance learning.