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(topic) discuss the role in teaching of the computer multimedia simply

Application of the computer aided teaching system in teaching, mark the teaching media's qualitative leap. The application of the computer, make the teaching means more abundant , will play a role in promoting to the improvement of the teaching result. Because the computer is the extension of the human brain, it is the simulation of the thinking activity of human brain, it is structure, the grasping of the function and law of the human thinking activity, so, its very favorable development of students of application in teaching, accord with the demands for modernized teaching law .
New technology that it was in the 1990s that the multimedia was developed. It whether one is it carry text, figure, image, video picture, cartoon media of message integrate together to profess, and through a kind of information technology which the computer deal with and controlling synthetically. The multimedia technology is another revolution of the information field, in teaching, it can offer the rich and colorful teaching information of incorporating pursue , gentle , into an organic whole fast to students , can offer vivid , friendly , diversified mutual ways to student .
Multimedia teaching can produce the fine seeing and hearing result . Because people's vision , sense of hearing are main channels of receiving the message, the information obtained is greatest. Multimedia teaching is favorable to information transmission and student's acceptance , storage of information. Its peculiar advantage produces the stimulus of certain intensity to students, bring student's attention. If has not noticed , esthesia would not produce strong outsight . And outsight and regarded perceiving as the foundation to take shape in the course of perceiving, have left and has not observed either when perceiving. Utilize the advantage of multimedia to be fascinating, can improve the quality that students pay attention to constantly , make student's psychological activity in positive state.
The past teaching activity is formed by teacher , student , three key elements of media , none of them can be dispensed with. Most teaching medias are ocular , but have their own strong points each, each institute is short. There are teacher's language , textbook , writing on the blackboard , material object , model , wall map ,etc. in the traditional teaching media, it is limited . And the multimedia can make students can't help concentrating all attention , cause students' great interest, excite student's intense emotion, get perceptual knowledge of the direct , vivid , image from it. The teacher selects the teaching media for use appropriately, can impart the technical ability of knowledge to students better in the course of giving lessons, accelerated the information transmission among teachers and students, optimized the teaching course, thus obtained the good teaching result.
The multimedia can overcome the restrictions of the time and space . Teaching some natural phenomena , scenery that pass of macroscopic need thing that perceive for a long time often, because limited by time and space, it is unable to let students witness; The things of some microcosmic and small change, unable to be observed by students through the instrument and equipment, all these are difficult points of classroom instruction. The application of the multimedia, has offered the vivid , ocular and concrete perceptual knowledge material with strong appeal abundant in content to student, make students see that the things are in sports , develop , changing. It replace true feelings it need fantasy like,needn't speak more difficult problem ," it is better to see once than hear a hundred times ". Students are through hear, look at, comment , realize and fully perceive the originally comparatively abstract content of courses, have adapted to students from concrete to the abstract understanding law , thus guaranteed the harmony of the teaching activity.

(topics) taught in the computer multimedia teaching role
Computer-aided teaching system in the teaching of the use of teaching media marks a qualitative leap. Computer applications, teaching means richer, and will play a catalytic role in improving teaching effectiveness. The computer is an extension of the human brain is the human brain thinking activities simulation of the structure of human thought and activities, functions and the laws, therefore, its use in teaching is conducive to the development of students, in line with modern teaching law. Multimedia is the 1990s developed new technologies. It is a the text, graphics, images, video images, animation, and that the delivery of information media integration together, and through integrated management and control of a computer information technology. Information technology is another area of multimedia revolution in education, it can provide to students rapid colorful sets maps, text, voice integration in the teaching of information and can provide students with a lively, friendly, diverse world. Multimedia teaching can produce good audio-visual effects. Because the visual, hearing is the main channel to receive information, the information is the greatest. Multimedia messaging and conducive to teaching students to receive information and storage. Its unique advantage of the students have a certain intensity of the stimulus, causing students attention. Without attention, would not have a strong sense observation. And the perceived ability to sense and process-based form together, there will be no left onto Observer. Using multimedia advantages attractive to constantly improve the quality of student attention to the activities of students in a positive psychological state. Past teaching activities by the teachers, students, the three elements of the media, are indispensable. Most of the media have visual teaching sexual, but their own merits, but also various short. Traditional media have teachers teaching language, textbooks, writing on the blackboard, kind, models, posters, etc., have some limitations. Multimedia enable students to concentrate and remember all the attention and aroused the keen interest of the students, motivate students strong feelings, and derive direct, vivid, image sentimental knowledge. Teachers teach in the process appropriately chosen teaching media, the knowledge and skills to better teach students to speed up the transmission of information between teachers and students, the teaching process and thereby obtain good teaching results. Multimedia overcome the constraints of time and space. Teaching often macro natural phenomena, passing scenery or be perceived to be prolonged things, because time and space constraints, can not let students see; Some small and micro-things change through the equipment to enable students to observe, these are classroom teaching difficult. Multimedia application, provides students with a vivid, informative, and visual concrete and perceptive approach infections resistant materials to enable students to see things in the campaign, development, and change. Zhenqingshigan replaced imagined, not more difficult stresses, "Seeing is believing." Student audio, visual, editorial, see the full sense originally more abstract teaching, the students from the concrete to the abstract knowledge of, thus ensuring a smooth teaching activities.