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List of the table of contents of this article:

• 1, About the operating system
• 2、About the computerWhat is the knowledge of installing the system
• 3, How to understand the word system
• 4, About the Earth System
• 5. About the product design of the B-end system

About the operating system

1. The operating system is a collection of system software that manages computer hardware resources, controls the operation of other programs and provides users with interactive operation interfaces.

2. The operating system is all the hardware resources that manage the computer system, including software resources and data resources; control the operation of programs; improve the human-computer interface; provide support for other application software, etc., so as to maximize the role of all resources of the computer system and provide users with convenient, effective, Friendly service interface.

3. Operating system definition: Operating system (abbreviated as OS) is a computer program that manages computer hardware and software resources, and is also the core and cornerstone of the computer system.

4. Operating System (abbreviated as OS) is a computer program, which is an intermediate software that manages and maintains computer system resources.

What is the knowledge about the computer installation system

1. There are many ways to reinstall the computer system, and you can choose one of the operations listed below. Hard disk installation: Press the F11 key or F8 key after booting or restarting to see if one-click GH is installed.OST or similar software, if there is, select one-click restore and press Enter to confirm. After entering the one-click restore operation interface, select "Restore" to confirm.

2. This article will answer the frequently asked questions about the computer reinstallation system and help you better understand the relevant knowledge of the reinstallation system. The CD-ROM installation system crashed. Can I buy a system CD-ROM and install it by himself? Put it in the CD-ROM, and the computer optical drive will read the disc. Just follow the prompts.

3. This article will introduce the precautions for computer system installation to help you better install the computer system. The main partition is the boot partition of the hard disk. The main partition is the boot partition of the hard disk. It is independent and is also the first partition of the hard disk. The normal partition is the C drive. Without the main partition, the computer cannot run.

4. There are many ways to install the computer system, including CD-ROM installation method, USB disk installation method, hard disk installation method, etc. Today, I will focus on the method of hard disk installation system.

How to understand the word system

1. The meaning of system refers to several interconnections and interactions The part is composed of an organic whole with specific functions in a certain environment.The word system comes from the transliteration of the English system, that is, several parts are interconnected and interact to form a whole with certain functions.

2. How to understand the word system is as follows: The concept of system: Understanding the concept of system can help us better understand and solve practical problems. For example, in organizational management, we can use system theory to analyze the structure and behavior of the organization, so as to find ways to improve efficiency and effectiveness.

3. The system is a set that combines several components that are interconnected and interact in a certain environment and exists to achieve the overall purpose. Characteristics of the system: specifically including: collectivity (holistic), purpose, relevance, and environmental adaptability.

4. Systematic explanation (1) [system]: Financial and trade system of similar things composed of a certain relationship (2) [systematic]: systematic or systematic systematic research detailed explanation (1). Bloodline. Song Fan Chengda's "Donggong Shoushi": "The foundation of the two Hai is far away, and the three Ding systems are long.

About the Earth System

The Earth system is formed by the interconnection of the Earth's Circle, including the Earth's sphere and the Biosphere, of which the Earth's sphere includes the solid Earth System (lithosphere, topsoil layer) and the physical climate system (hydrosphere, atmosphere), and the biosphere is also known as The global ecosystem includes all living things and life systems on the earth. This is a broad concept of the earth system.

According to the research founder of modern system theory, Betalanfi (L.Von.Bertalanffy, 1973) Definition, The System Is A "Composite Of Multi-Elements That Interact". Each Component Or Element In The System Is Called A Subsystem, And The System-Subsystem May Be Multi-Level. First of all, the system has the characteristics of diversity.

As a subsystem of the solar system, the characteristic scale of the Earth system is in the order of 10,000 kilometers (the distance from the earth to the sun is 49×108km), while the characteristic scale of its subsystem is in the thousand kilometers. For example, the radius of the earth is 6378km, the radius of the moon is 1738km, etc.

The three major ecosystems of the planet are known as the kidney of the earth, the natural reservoir and the treasure trove of species. Kidney of the Earth: Wetlands are known as "Kidney of the Earth" and are natural reservoirs on land, which can filter and purify water sources, maintain biodiversity, and prevent floods and droughts.

In a sense, the closure of the Earth system is only relative, while the openness is absolute and more important.

About the product design of the B-end system

Background: Each system will design permission management, especially for B-end products, which will involve multiple role users to use the product, including the background system and mobile terminal business Use and wait. The B-end product permission design is divided into two modules, including the learning of basic knowledge and the practical application in the project.

This article will share with you the product design of the B-end system with the previous actual design case. Regarding the system, I personally think it is to abstract the disordered and scattered business into a centralized, standardized and orderly service.On the other hand, Zhongtai rises another layer above the system and abstracts the commonality of the system into general services.

B-end products are relatively simple, but they should also follow the basic design principles. One is to pay attention to the selection of appropriate interface elements: pay attention to the appropriateness of interactive function expression; the other is to pay attention to the placement of interface elements.

The permissions of general products in the B-end system are composed of pages, operations and data. Pages and operations are interrelated. You must have page permissions to assign the corresponding operation permissions under the page, and the data can be added, deleted and checked. Therefore, permission management is divided into functional permission management and data permission management.

As an important part of B-end products, data has gradually become an indispensable part of product design and business decision-making. Especially such asB-end data products for professional services such as smart cities and smart buildings also provide customers with data operation and decision-making support.