Advantages and disadvantages of ancient and modern information transmission methods! Urgent! ! ! Hurry up! ! !

In ancient times, there were few and slow ways to transmit information, such as bonfires, letters (usually sent by people) and carrier pigeons. Only official documents are delivered by specialized personnel.

Due to the rapid development of science and technology in modern society, there are various ways of information transmission, such as telephone, telegram and fax, mobile phone short message, TV and Internet.

ancient times

Word of mouth or by means of utensils: information transmission is slow and inaccurate.

Long-distance travel by mail: the speed of information transmission is slow and the form of information is single.

Modern Times

Postal system relying on transportation: the information transmission speed is relatively fast, the distance is relatively slow and the cost is high.

Telegraph and telephone: fast speed and single information.

Computer network: the transmission of information is large, the information is diversified, the transmission speed is extremely fast, and it is not blocked by regions.