Explanation:

Interactivity is one of the main characteristics that distinguish multimedia applications from traditional information exchange media. Traditional information communication media can only spread information in one direction and passively, while multimedia technology can realize people's active choice and control of information.

Therefore, whether it is an interactive audio-visual book, people can actively choose to interact, while color pictorial can only passively receive information, so only interactive audio-visual books belong to the multimedia category.

Extended data

Multimedia technology is a technology to store and manage all kinds of information such as language, data, audio and video. Through the computer, users can communicate with the computer in real time through various senses. The content displayed and carried by multimedia technology is actually the product of computer technology.

Multimedia technology is the use of computers to digitize text materials, video materials, audio and video information, and integrate them into the interactive interface, so that computers have the ability to display different media forms interactively.

Interactivity is an important symbol that distinguishes multimedia communication systems from other communication systems. Refers to the mutual control ability between people and systems in communication systems. Interactivity provides users with complete interactive control over the whole communication process.

Baidu encyclopedia-multimedia