Explanation of the term "system"

A system refers to a whole with certain functions formed by the interaction of several parts. The definition of a system should include all the characteristics of a system. Systems are ubiquitous, from elementary particles to extragalactic galaxies, from human society to human thinking, from inorganic world to organic world, from natural science to social science.

the system has a certain purpose. The nature, ability and function of the system in the interaction with the external environment. For example, the function of information system is to collect, transmit, store, process, maintain and use information, assist decision makers to make decisions and help enterprises achieve their goals.

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Basic classification of the system

1. Artificial system

Individuals in the system operate according to artificial, pre-arranged rules or planned directions to realize or complete functions, performances and results that individuals in the system cannot achieve alone. Artificial systems include transportation system, electric power system, computer system, education system, medical system, enterprise management system and so on.

2. Natural system

Individuals in the system exist or evolve according to natural laws, resulting in or forming a natural phenomenon and characteristics of a group. Natural systems include ecological balance system, living organism system, celestial body system, material microstructure system and social system.

3. Composite system

Composite system is a combination of natural system and artificial system. The composite system includes navigation system, traffic management system and man-machine system.

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