What are the contemporary ways of information transmission?

Wired communication transmission, such as telephone, fax, telegram, television, etc. Wireless communication transmission, such as walkie-talkie, BP machine (obsolete), mobile phone, radio. Digital communication transmission, the most familiar, networked computers, digital TV. Paper communication transmission, such as letters and newspapers.

Information transmission is the basic requirement of modern management. Strictly speaking, all information processing is the transmission of information within the organization, that is, the movement of information in physical location. Information transmission is carried out through communication channels such as words, languages, codes, images, colors, lights and smells. Information transmission modes include unidirectional transmission, bidirectional transmission, semi-bidirectional transmission and multi-channel transmission.

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Information plays a very important role in people's social life. For example, scientific research should not only obtain other people's research results in time, but also publish and tell others their own research results in time. Only by exchanging information with each other can we develop continuously; In the war, we must get the information of the enemy in time, and we must also convey various operational orders to the officers and men.

When doing business, we must know the information of local markets in time to decide what to buy, where to buy, where to sell and what to sell; In daily life, we must get timely information about weather, commodities, cultural and sports activities and the work and life of relatives and friends, and often tell them about our work and life. In short, only by constantly exchanging information between people can production, life and other activities be carried out normally, and people can't live without information for a moment.

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