Educational technology refers to the application of modern science and technology in education. Since the 20th century, with the development of modern science and technology, modern technologies such as slide show, projection, film, recording, video recording, radio and television have been widely used in education, which has expanded the scope of educational and teaching activities and improved the efficiency and quality.
From 65438 to 0974, the United States launched the first "practical technology satellite" dedicated to teaching, marking the development of modern educational technology to a new stage. Since then, people have further discussed the new topics brought by the latest achievements of computers, microelectronics and optical fiber communication to the development of educational technology.
Extended data:
Educational technology is not the general application of a certain teaching method, but contains the theory and practice of the comprehensive application of three concepts to education and teaching. Educational technology attaches importance to the analysis and research of learners' characteristics, because learners' situation directly affects many educational decisions, such as choosing goals, determining the rhythm and determining the nature of evaluation.
The performance of solving problems in educational technology is to improve people's learning quality by developing and utilizing learning resources and promoting personalized learning. Learning resources include information, personnel, materials, equipment, skills and environment, which is a complex system. In order to make them produce overall functions and play an excellent role in learning, it is necessary to realize the optimal combination through system design.
Baidu encyclopedia-educational technology