1. Information: refers to the actual content expressed by sound, language, words, images, animations, smells, etc. , such as knowledge in books, news content in newspapers and periodicals.
2. Information carriers: sound, language, words, images, animations, smells, etc. (Only things don't represent content), such as books, pictures and USB flash drives with data.
3. Carrier dependence: Information cannot exist independently, but must be attached to a carrier, and the same information can be attached to different carriers. Information can be divided into (text, graphics (images), sound, animation, video) according to different carriers. The carrier dependence of information enables information to be stored, transmitted and transformed.
4. Validity: Information is valuable, and human beings cannot do without it. Material, energy and information are the three elements that make up the world. ☆ Information is different from matter and energy in two aspects: on the one hand, it can meet people's spiritual needs; On the other hand, it can promote the production and utilization of matter and energy.
5.* * * Enjoyment: Information is different from the main aspects of matter and energy. Generally speaking, enjoying information will not cause the loss of information, nor will it change the content of information. In addition to the general characteristics, information also has the following characteristics: universality, storability and value-added.