Overcome the multimedia limitlessly view. The multimedia technology, no matter how complete is function, in its essence, it just carries out teaching, improve the teaching efficiency of a kind of auxiliary means. Whether to use multimedia, choose what media, or how to use PowerPoint to maximum limit arouse the students' interest in study and enjoyable to resolve the difficulty, the doubts, etc, must start from specific courses, according to the original knowledge of students based, know level, psychological characteristics and different learning needs, and to all kinds of media in comparison, screening, and on the basis of select the best of the media. Therefore, the multimedia teaching cannot completely replace the traditional teaching mode, not every discipline, each class will use of multimedia classroom teaching.

On the other hand, because many produce courseware software such as PowerPoint, Athwart, 3 DMAX more and more perfect, the material is more and more, plus Flash software such as web pages in the development of the courseware, many courseware will appear background, adornment design colorful, many with the classroom teaching of illustrations, animation, and has nothing to do with sound the courseware, stimulate the students' attention has no intention, students not only remember the music or content that picture; For students, if there is no independent learning ability, it can't keep up with progress, tired of learning. Results seriously affect students to the attention of the classroom knowledge, students appear interest, active classroom looks like, but the fact is the effect of teaching effect. Why need to convert PDF to PowerPoint? Microsoft PowerPoint slides are frequently used in presentations as a reference point for the speaker. While pages in a PDF file may be relevant to use in a PPT presentation, the original source material might not be available. Now you can easily create PowerPoint from PDF files with a PDF to PowerPoint Converter software's help. Apart from this, PowerPoint to dvd software can help people burn PPT presentation to DVD and play on DVD player.

Due to multimedia provides the material the conveniences, many teachers will be a lot of material with in a courseware, class performance and transfer a large number of data to students, this is to have on from the front positive meaning. But, due to the large class, the process and logical thinking to omit, which requires the students to have strong ability to accept before class after class, and the self-study can. But students accept ability and response ability after all limited, too much of the material that they too many things to see, sometimes no reaction to come over and then had the tabernacle of the congregation, some important content often is not copy down the students a flashes, many multimedia classroom often appears students notes is not complete, causes students dislike this produce.

Multimedia also can only be a media, I think whenever it can only be teaching auxiliary means, if the sauce is better than the fish, turn the classroom the lifeless multimedia classroom of words. In short, the PowerPoint auxiliary multimedia classroom teaching of traditional classroom teaching mode is a supplement and development, using multimedia classroom teaching is the inevitable trend of the development of classroom teaching. Recognizing the current multimedia assisted teaching of the error to make the development of multimedia classroom teaching less crooked road walk, can really play the multimedia teaching to the best advantage.

Using multimedia PPT physical classroom teaching, can fully demonstrate the description of the physical situation, present the physical process, deal with a large amount of data and images, can show the traditional teaching can't show the evolution of the continuous process, form bright vivid dynamic effect, can be very good to mobilize students' interest in study, and enhance the appeal, improve the classroom atmosphere, so as to improve the classroom efficiency. In most cases, when we want to upload our teaching PowerPoint on website, like youtube, we need to convert PowerPoint to video files.

The multimedia teaching as a kind of new teaching means, with its vivid, direct, efficient, and lively and other characteristics, for teaching reform injected vigor, the teaching of the auxiliary function is self-evident. Through the multimedia technology to abstract, difficult to directly with the concept and theory of language expression through the intuitive, easy to accept form expression comes out, or the classroom demonstration experiment of poisonous, dangerous experiment through the form of video demo out, or the substance or the microscopic structure of the microscopic particles motion through the animation form show come out, can stimulate the students' interest learning, to make learning process become no longer boring, boring.