The purpose of educational technology was to expand the range of technology resources for learning. Learning resources are not only teachers, textbooks, teaching materials only. The concept of educational technology need to have the opportunity to learn from the extensive knowledge source for another, such as teaching methods, techniques, but then many teachers as people say, but the current content. Opportunity for students to research it myself, at most, a teacher planning guidance only. Psychologists have attempted to figure out how to bring the system to the private lesson but instead taught individually, but he also thinks the ' learning ' program, which serves to teach the same as teachers teach. Students in a class by themselves or through a media mix. Slow or fast, it will be based on the ability of each student