Distance learning as a form of education has been developed before computer network advent, gradually increasing the range of used technologies. First they introduced a so-called case-technology well-structured training materials were completed in a special set (case), which was then sent to a student for independent study. Over time, paper pamphlets and books were supplemented by records on magnetic media and CD-ROM, and teachers began using television technology conduct classes and lectures. Students still had to periodically attend full consultation of teachers (tutors) or instructors in specially created remote (regional) training centers.
The World Wide Web provided basis for network technology development to share knowledge, providing students and teachers with electronic books and libraries, convenient testing systems, as well as means of communication. Internet not only combines all previously known tools of training, but also significantly expands their list, has a significant impact on information culture in educational environment.
Types and forms of learning via the Internet
Most of learning centers can be divided into three groups according to the degree of immersion into the Internet.
