Joke Collection Website - Blessing messages - What are the ways of information transmission in modern society, and what are the differences from the previous ways of information transmission?

What are the ways of information transmission in modern society, and what are the differences from the previous ways of information transmission?

The ways of information transmission in modern society include telephone, telegraph and network communication.

Specifically:

1, wired communication transmission, such as telephone, fax, telegram, television, etc.

2. Wireless communication transmission, such as walkie-talkie, BP machine (obsolete), mobile phone and radio.

3, digital communication transmission, the most familiar, networked computers, digital TV.

4. Paper communication transmission, such as letters and newspapers.

1, different transmission media:

In ancient times, information was mainly transmitted through animals, such as flying pigeons and fast horses, as well as lights and firelights, such as Kongming lanterns, beacon towers and wolf smoke. In modern times, telephone, telegraph and network communication are the mainstay.

2. Different transmission speeds:

In ancient times, there were few and slow ways to transmit information, such as bonfires, letters (usually sent by people) and homing pigeons. Only official documents were delivered by special personnel. Modern information transmission is faster, and a large amount of data can be transmitted in a data system in one second.

3. Scope and accuracy:

In ancient times, mail and letters were lost in information transmission; The transmission of modern information is more extensive and accurate than before.

4. The amount of information transmitted is different:

The amount of data and information transmitted in ancient times was small; However, modern information transmission has a large amount of information, and the data is generally stored in auxiliary memory, which is persistent.

Extended data:

Transfer function:

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 should not only get the information of the enemy in time, but 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.

Because information is valuable, things that are useful to people will be passed on to each other. In technical terms, the value of information is called the amount of information, and the unit is bits. When you download something, you see 20bps, which means you receive 20 bits of information every second.

Baidu encyclopedia-information transmission