What problems can be solved in teaching by using information technology?

Computer-centered information technology mainly refers to multimedia computers, classroom networks, campus networks and the Internet. With the rapid development of information technology, the continuous and rapid expansion of China's network scale, and the profound changes of information technology on modern people's life and work, the introduction of multimedia teaching methods into middle school classroom teaching has moved from theory to practice and development. The application of information technology and multimedia means has not only become the requirement of education authorities, but also the evaluation standard of schools and teachers, and has become the teaching norm of many qualified schools today.

In this situation, many educators have changed their ideas and actively devoted themselves to the study, mastery and application of information technology. The majority of teachers have also set off a wave of self-made teaching courseware, and there are countless audio-visual materials, lesson preparation materials and teaching courseware on the Internet. All these have profoundly changed our teaching philosophy, teaching mode, teaching behavior and teaching routine.

Using computer multimedia technology to optimize classroom teaching in primary and secondary schools is the concrete application of the basic principles of educational psychology in teaching practice. The knowledge of educational psychology tells us that people can only remember about 1/6 by hearing, about 1/4 by vision, and about 2/3 by using two audio-visual senses at the same time. Using information technology to assist teaching can create a realistic teaching environment, a dynamic and static teaching image and a lively teaching atmosphere. Using the characteristics of pictures, texts, sounds and images, the unclear knowledge in teaching is explained, which is difficult to explain clearly only by drawing on wall charts or blackboards. Through vivid pictures, synchronous audio-visual situations, concise explanations, pleasant music and timely and effective feedback, we will