Traditional ppt courseware can only play can not realize the writing circle point annotations and other functions right or wrong

Wrong. Now the mass popularization of computers and the development of multimedia technology, the use of multimedia lessons has gradually become a trend. Thus, the production of courseware will become a basic skill of the current teachers, schools are also active, targeted to carry out some of the multimedia courseware production of school-based training. Now the most widely used form of multimedia courseware is PPT, because it editing, playback, a variety of operations are simple to learn, and can be more than one function at the same time, its traditional traditional ppt courseware can be realized at the same time as playback, to achieve the function of writing annotations and other features of the circle.