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Where is the power-on button of the computer in the chassis-less library?
In a library without a shell, a round button at the bottom of the display screen is used to turn on the computer.

Electronic computer, commonly known as computer, is a modern electronic computer used for high-speed calculation. It can carry out numerical calculation and logical calculation, has the function of storage and memory, can run according to the program, and automatically process massive data at high speed.

It consists of hardware system and software system. A computer without any software is called bare metal. Computers are used as control systems for various industrial and consumer equipment, including simple special equipment, industrial equipment and general equipment.

John von neumann, the inventor of the computer. Computer is one of the most advanced scientific and technological inventions in the 20th century, which has had an extremely important impact on human production and social activities, and has developed rapidly with strong vitality.

Its application field has expanded from the initial military scientific research application to all fields of society, forming a huge computer industry, promoting global technological progress and triggering profound social changes. Computers have spread all over ordinary schools, enterprises and institutions, entered the homes of ordinary people and become an indispensable tool in the information society. It is one of the important signs of mankind entering the information age.

With the development of Internet, computer and other technologies have once again set off a revolution in information technology. According to the definition of China Internet of Things School-enterprise Alliance, the Internet of Things is the combination of almost all technologies, computers and Internet technologies, which realizes real-time sharing and intelligence of environment and state information between objects.