What disadvantages will people meet if they cannot use computers

Computer plays a very important role in people's work and life. We cannot imagine what our world would be like without computer. With the popularization of computer knowledge, computer is widely used in every aspect of people’s work and life. If a person cannot use computer, he will be confronted with a lot of trouble and difficulty.

Firstly, most machines and equipment are controlled by computer nowadays, for example, automobile industry, manufacturing, power station and even airplanes. If a person cannot use computer, he will have difficulty in operating machines. It is hard to imagine ...