Is the bell a message?

Information refers to audio and messages; The objects transmitted and processed by communication system generally refer to all the contents spread by human society. People can distinguish different things by obtaining and identifying different information from nature and society, so as to understand and transform the world. In all communication and control systems, information is a common form of communication.

Extended data

The word "information" refers to information in English, French, German and Spanish, information in Japanese, information in Taiwan Province Province and ancient telegrams in China. As a scientific term, it first appeared in the article "Information Transmission" written by Hatle in 1928.

In the 1940s, C.E.Shannon, the founder of information, gave a clear definition of information. Since then, many researchers have given different definitions from their respective research fields. The representative expression is as follows:

Shannon, the founder of information, thinks that "information is used to eliminate random uncertainty", which is regarded as a classic definition and quoted by people.

information transmission

A long time ago

1, word of mouth or with the help of utensils.

2, the ancient information transmission speed is slow and inaccurate.

3. Long-distance travel by mail.

4. The information transmission speed is slow and the information form is single.

Modern Times

1, the postal system depends on traffic.

2, the information transmission speed is relatively fast, the distance is relatively slow and the cost is high.

Modern Times

1, telegram, telephone.

2. Fast speed and single information.

contemporary era

1, computer network.

2. The amount of information transmitted is large, the information is diversified, the transmission speed is extremely fast, and it is not hindered by geography.