What are the main characteristics of teaching media?

Media can record and store information so that it can be copied when needed. For example, the printed media directly fixes the text symbols on books; Electronic media convert language, characters and images into sound, light and magnetic signals and fix them on films, tapes, magnetic disks or optical disks.

2. Diffusibility

Media can transmit information in various symbolic forms to a certain distance, so that information can be reproduced in an expanded range. In ancient times, "a scholar stays at home and knows what's going on in the world" depends on this feature of the media.

Step 3 Repeatability

Media can be reused. If well preserved, these media can be used repeatedly as needed, and the quality and quantity of information they present are stable. In addition, it can make many copies and use them in different places at the same time.

function

1, improve efficiency and quality.

After careful design and production, teaching media can increase the amount of teaching information per unit time, transmit teaching information in various forms, and make learners learn faster and better.

2, expand the scope and scale

Modern teaching media is not limited by time and space, and students can learn knowledge at different times and places. Modern teaching media is especially suitable for those who can't study at the appointed time and place for special reasons.