4. presentation of new content (Present New Information) is the key to delivering the content of lessons, computer assisted instruction, it would present an image that is associated with the material, with a brief description, but make sure to use the illustrations to make students understand the content easier and are durable to remember better than using the description alone. Of course, that the image is to help describe the abstraction allows easy recognition. Although some content is difficult to create an illustration, but it should consider ways to offer visually, even if there are a small number, but it is still better than a single word description. However, the use of illustrations, the content may not be as effective. If they have too many details. The more time goes on toAppears on the screen is not related to the content difficult to understand complex and technical matters in the design, such as a lack of balance, bad composition, etc.
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