A. Right

B. wrong

Educational technology refers to the application of modern science and technology in education. After 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. 1974, the United States launched the first "practical technology satellite" dedicated to teaching.

It marks 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 computer, microelectronics and optical fiber communication to the development of educational technology. Learning process is a cognitive process in which learners acquire knowledge and skills through interaction with information and environment. Learning resources are all kinds of information and environmental conditions to be used in the learning process.

The new teaching theory requires students to change from passive recipients of external stimuli to active learners who can actively process information, and teachers should provide information resources and learning environment that can help and promote students' learning. Starting from the needs of social development and human development in 2 1 century.

Construct a social education system that can support comprehensive learning, autonomous learning, collaborative learning, creative learning and lifelong learning. Educational technology is the best practice to strengthen knowledge, coordinate and improve learning and performance through the strategic design, management and implementation of learning and teaching processes and resources.