多媒体教学的优势与局限性摘要：20世纪90年代以来，多媒体技术发展迅速

Advantages and limitations of multimedia teaching <br>Abstract: Since the 1990s, the rapid development of multimedia technology. It has been widely used in all aspects of the national economy and social life, to human production, work and life brought great changes. <br>You know, in the traditional teaching process, everything is decided by the teacher. Teaching content, teaching strategies, teaching methods, teaching steps, even students do exercises are teachers prearranged. Students can only passive participation, which are taught in the state. In multimedia computers and other interactive learning environment, high school students can choose their own learning content and appropriate practice according to their level of learning and interest basis. <br>Human-computer interaction and real-time feedback are the salient features of multimedia technology, are not available in other media. Interactive multimedia computer further function of the audiovisual television and computer integration capabilities combine to produce a new, colorful graphic human-computer interaction, we can provide real-time feedback. This interactive mode is important for the teaching process. It can effectively stimulate student interest in learning, so that students have a strong desire to learn, to form learning motivation. But there are some limitations multimedia teaching, we need to be improved. It describes the limitations and advantages of multimedia teaching. <br>Keywords: multimedia teaching to improve the strengths and limitations of <br>several forms of multimedia applications in teaching <br>a. Multimedia presentations <br>with teaching centered teaching mode, multimedia presentations mainly for teaching content. According to the requirements of teaching programs and curricula, teaching the use of multimedia presentation content, materials, data, samples and other display devices to help teachers explain, to achieve high-quality transmission of knowledge. Multimedia classrooms and more than one computer, teachers can by way of multimedia and electronic projector combining the focus and difficulty of teaching content impose a picture in the form of display, moving image or homemade movies, help students understand and accept, so to achieve effective dissemination of knowledge. <br>2. Interactive Teaching <br>With the development of computer technology and multimedia network technology and further integration, the students not only through multimedia courseware independent learning, self-study can also help network resources. Both learning methods have one thing in common: they are two-way interactive learning methods.<br>Because multimedia and network technology to provide integrated voice, graphics and a variety of sensory stimulation machine, which is to establish and maintain very helpful. In addition, by way of hypertext, hyperlinks, organization and management of a variety of subject knowledge and teaching information, offers a variety of interactive ways. Students can get instant feedback about their learning outcomes, and make the appropriate adjustments. After learning or learning programs. This interactive learning help to stimulate students 'interest in learning, give full play to the students' cognitive function. <br>3. Modern distance learning <br>so-called modern distance education, mainly refers to the teaching system based on open computer networks. The emergence of network communication model, making stand-alone multimedia courseware can be published to a vast network space to form a network course. Through open online course, students can according to their needs and current levels, in different schools and teachers in their own right time, regardless of age, learning. Therefore, based on the computer network of communication will become more convenient between teachers and students, more extensive study of communication. At the same time, it is also an important way to achieve life-long learning the knowledge economy. <br>One. It reflects the concern of teachers to students and student-centered teaching philosophy <br>and harmonious ambience teaching enables students feedback cerebral cortex in good condition. As a teacher, we should strive to create a harmonious learning environment for students. Multimedia technology is undoubtedly helpful in this respect for teachers. "The machine does not love and love", not to mention colorful, dynamic picture, a variety of special effects spectacular multimedia technology, multimedia courseware design fun alone will be able to reflect the teachers care for students and student-centered philosophy. <br>For example: in the design and evaluation of problem questions, answer each teacher will design a course of pictures and sounds: "You're great, you're right!" I'm sorry, one more time! "Waiting for inspiration screen. These are the students succeed in incentives, the implementation of real appreciation of education. I can forgive many times students fail to achieve real success in education, so that students experience success, how to really teach students to face setbacks, to protect enthusiasm of the students.<br>Multimedia technology can help students by manipulating images and graphics, the use of flash line and angle, translation, rotation, symmetry, etc., to train students to solve problems of self-confidence and interest, so that students have a good mood. This is much better than traditional teaching: I do not know how many times stronger "Look here, to learn from me, please pay attention.". In this way, students will not be because of the rebellion and weariness. <br>Symmetry and other methods, will be explained on the parallelogram law suggestive parallelogram law in teaching students through translation, rotation: another example. In the graph flashing, rotating student teacher could barely see the hint, unconsciously enhanced learning geometry of self-confidence. Another example: in teaching "corner right", we find congruent triangles designed by flipping picture game. At the same time, improve the students' ability to judge, increasing student interest in geometry. All of these show the teachers care for students and student-centered philosophy.

The Advantages and Limitations of Multimedia Teaching Abstract: Since the 1990s, multimedia technology has developed rapidly.<br>It has been widely used in all aspects of national economy and social life, to human production, work and life has brought great changes. You know, in the traditional teaching process, everything is up to the teacher. Teaching content, teaching strategies, teaching methods, teaching steps, and even the exercises done by students are arranged in advance by the teacher. Students can only participate passively, i.e. in a state of indoctrination.<br>In interactive learning environments such as multimedia computers, middle school students can choose their own learning content and appropriate level of practice according to their learning base and interests. Human-computer interaction and real-time feedback are prominent features of multimedia technology, which are not available in other media. Multimedia computer further combines the audio-visual integration function of TV with the interactive function of computer, and produces a new and colorful graphic and human-computer interaction, which can provide real-time feedback. This interactive mode is of great significance to the teaching process. It can effectively stimulate students' interest in learning, so that students have a strong desire to learn, thus forming a learning motivation. However, multimedia teaching also has some limitations, which need us to improve.<br>The limitations and advantages of multimedia teaching are expounded.<br>Keywords: Improve the advantages and limitations of multimedia teaching<br>Several applicationforms of multimedia in teaching One.<br>Multimedia teaching presentation Teaching-centered teaching mode, multimedia is mainly used to demonstrate teaching content. According to the requirements of the teaching plan and syllabus, the teacher is helped to explain and realize the high-quality transmission of knowledge by using multimedia presentation teaching content, materials, data, samples and other display equipment.<br>In multimedia classrooms and multi-computer, teachers can use a combination of multimedia and electronic projectors, in the teaching content of the focus and difficulties of the form of pictures, mobile images or home-made animation, conducive to students' understanding and acceptance, in order to achieve effective dissemination of knowledge.<br>2. Interactive teaching With the development and further integration of computer multimedia technology and network technology, students can not only learn independently through multimedia courseware, but also learn independently through network resources.<br>These two learning methods have one common feature: they are two-way interactive learning methods. Because multimedia and network technology can provide machines that integrate sound, graphics and various sensory stimuli, this is very helpful for building and maintaining. In addition, hyperlinks are used to organize and manage subject knowledge and various teaching information through hypertext, providing a variety of interactive ways. Students can get immediate feedback on their learning results and adjust accordingly. After learning methods or procedures.<br>This kind of interactive learning is beneficial to stimulate students' interest in learning and give full play to their cognitive role.<br>3. Modern distance learning The so-called modern distance education mainly refers to the open teaching system based on computer network. The appearance of network communication mode makes the mono-media courseware can be published to the broad network space, forming the network course. Through the introduction of online courses, students can according to their own needs and the current level, in different schools and teachers, at their own appropriate time, regardless of age, learning. Therefore, the way of communication based on computer network will become a more convenient and broader way of learning and communication between teachers and students.<br>At the same time, it is also an important way to realize lifelong learning under the condition of knowledge economy. One.<br>Reflecting the teacher's concern for students and the teaching idea of being student-oriented Harmonious teaching environment can make students' cerebral cortex in a good feedback state. As a teacher, we should try our best to create a harmonious learning environment for our students. Multimedia technology is undoubtedly helpful to teachers in this regard.<br>"Machines have no love and love", not to mention colorful, dynamic picture, a variety of multimedia technology special effects are fascinating, the fun of multimedia courseware design alone can reflect the teacher's love for students and the concept of student-oriented. For example, when designing assessment questions and questions, each teacher designs pictures and sounds during the answer: "You're great, you're right!" "I'm sorry, one more time!" "Wait for the inspiration screen." All these enable students to succeed in motivation and truly implement appreciation education.<br>It can forgive students' failure scanted countless times, truly achieve successful education, make students experience success, and really teach students how to face setbacks, thereby protecting students' enthusiasm. Multimedia technology can help students through the operation of pictures and graphics, the use of segments and angles of flash, translation, rotation, symmetry and other ways to train students to solve problems of self-confidence and interest, so that students have a good mood. This is much better than the traditional teaching method: "Look here, learn from me, please note." "I don't know how many times stronger.<br>In this way, students will not be tired of learning because of rebellious psychology. Another example: In teaching the midline theorem, students can interpret the midline theorem by translation, rotation, symmetry, etc. The students who flicker and rotate in the graphics can hardly see the teacher's innuendo and unconsciously enhance their self-confidence in learning geometry. Another example: In the teaching of Corner Axiom, we designed a game to find full triangles by flipping pictures. At the same time, it improves the students' judgment ability and increases the student's interest in geometry. These reflect the teacher's concern for students and the concept of student-oriented.

Advantages and limitations of multimedia teaching<br>Abstract: since the 1990s, multimedia technology has developed rapidly. It has been widely used in all aspects of national economy and social life, which has brought great changes to human production, work and life style.<br>You know, in the traditional teaching process, everything is decided by the teacher. Teaching content, teaching strategies, teaching methods, teaching steps, and even the exercises that students do are arranged in advance by the teacher. Students can only participate passively, that is, they are in the state of being instilled. In the interactive learning environment such as multimedia computer, middle school students can choose their own learning content and appropriate practical level according to their learning basis and interest.<br>Human computer interaction and real-time feedback are prominent features of multimedia technology, which are not available in other media. The multimedia computer further combines the audio-visual integrated function of TV with the interactive function of computer, and produces a new and colorful human-computer interaction of graphics and texts, which can provide real-time feedback. This interactive mode is of great significance to the teaching process. It can effectively stimulate students' interest in learning, make students have a strong desire to learn, thus forming learning motivation. However, there are some limitations in multimedia teaching, which need to be improved. This paper expounds the limitations and advantages of multimedia teaching.<br>Key words: improve the advantages and limitations of multimedia teaching<br>Several application forms of multimedia in Teaching<br>One. Multimedia teaching demonstration<br>Teaching centered teaching mode, multimedia is mainly used to demonstrate teaching content. According to the requirements of the teaching plan and syllabus, multimedia demonstration teaching content, materials, data, samples and other display equipment are used to help teachers explain and realize the high-quality transfer of knowledge. In multi-media classroom and multi computers, teachers can use the combination of multi-media and electronic projector to display pictures in the form of key points and difficulties of teaching content, mobile images or self-made animation, which is conducive to students' understanding and acceptance, so as to achieve effective dissemination of knowledge.<br>2. Interactive teaching<br>With the development and further integration of computer multimedia technology and network technology, students can not only learn independently through multimedia courseware, but also learn independently with the help of network resources. These two learning methods have one common feature: they are two-way interactive learning methods.<br>Because multimedia and network technology can provide machines that integrate sound, graphics and a variety of sensory stimuli, it is very helpful for establishment and maintenance. In addition, through hypertext, hyperlink organization and management of subject knowledge and various teaching information, provide a variety of interactive ways. Students can get immediate feedback, understand their learning results, and adjust accordingly. After learning method or learning procedure. This kind of interactive learning is conducive to stimulate students' interest in learning and give full play to students' cognitive role.<br>3. Modern Distance Education<br>The so-called modern distance education mainly refers to the open teaching system based on computer network. With the emergence of network communication mode, single multimedia courseware can be released to a wide network space, forming a network course. Through the opening of online courses, students can study in different schools and teachers at their proper time, regardless of age, according to their own needs and current level. Therefore, the way of communication based on computer network will become a more convenient and extensive way of learning and communication between teachers and students. At the same time, it is also an important way to realize lifelong learning under the condition of knowledge economy.<br>One. Reflect the concern of teachers for students and the teaching concept of student-oriented<br>A harmonious teaching environment can make students' cerebral cortex in a good feedback state. As a teacher, we should strive to create a harmonious learning environment for students. Multimedia technology will undoubtedly help teachers in this regard. " Machines have no love and love ", let alone colorful, dynamic pictures, and various multimedia technology special effects. The interest of multimedia courseware design alone can reflect the teachers' love for students and the concept of student-oriented.<br>For example: when designing assessment questions and test questions, each teacher will design pictures and sounds during the process of answering questions: "you are great, you are right!" I'm sorry to hear that again! " Wait for the inspiration screen. All of these make the students succeed in motivation and implement appreciation education. It can forgive students' failure for many times, realize successful education, make students experience success, and teach students how to face setbacks, so as to protect students' enthusiasm.<br>Multimedia technology can help students to develop their self-confidence and interest in solving problems and make them have a good mood through the operation of pictures and graphs, the flash, translation, rotation and symmetry of line segments and angles. This is much better than the traditional teaching method: "look here, learn from me, please pay attention." I don't know how many times stronger. In this way, students will not be tired of learning because of their rebellious psychology.<br>Another example: when teaching the middle line theorem, students can use translation, rotation, symmetry and other methods to explain the middle line theorem. The students who twinkle and rotate in the figure can hardly see the teacher's hint, and unconsciously enhance their self-confidence in learning geometry. Another example: in the teaching of "edge and angle axiom", we designed a game to find the congruent triangle by flipping the picture. At the same time, it improves students' judgment ability and increases their interest in geometry. All these show that teachers are right<br>