1, divided into floppy disks, optical disks, integrated circuit cards, recordable optical disks containing publication contents, hard disks, magnetic media optical disks and data tapes.

2. According to the reaction to the reader's operation, it is divided into one-way class and interactive class.

3. According to the form of information: text, graphics, pictures, sounds, images/animations, multimedia with graphics and audio images;

4. By use: computer software, information retrieval, reading, materials, education, games, etc.

5. By media: e-books, electronic periodicals, electronic newspapers, etc.

Extended data:

Advantages:

1. Electronic publications have more practical value-added services.

Users of electronic publications can publish some information in relevant columns according to their own needs.

2, the release speed is fast and the update is convenient.

Electronic publications can be published at any time, and mistakes can be corrected quickly. Electronic publication is a kind of media with low cost and great benefit. According to the survey data, the cost of publishing all kinds of commercial information through electronic publications is obviously much lower than that of other online media.

3. Wide coverage and long release time.

As far as the network is concerned, electronic publications can play a communication function. Even in areas without networks, electronic publications can be downloaded and browsed on PC. Electronic publications circulating on the Internet can be kept almost indefinitely, and the change of time will not destroy the page or structure of electronic publications.

Baidu encyclopedia-electronic publication