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• enterprise IT architecture
• 5, What are the systems of information systems?
• 6, What does the system framework model include in the construction of enterprise information system,

Which level does the enterprise portal belong to in the information system architecture

1. The enterprise portal belongs to the system layer in the information system architecture. Enterprise portal refers to the enterprise's information and applications using the same platform at the right time and place to provide the correct information to the correct user according to the user's authority.

2. The concept of enterprise portal system The concept of enterprise portal system was first clearly proposed by Merrill Lynch enterprises in the United States.It can point out that enterprises obtain the import of various information resources of a single interview enterprise, and the employees, customers, partners and suppliers of the enterprise need to go through this portal to obtain personalized information and services.

3. Theory, principle, any manager who does not understand the principle has no way to control the system. Establish a personalized enterprise management organization system and have the ability to optimize process management. Operation informationization, management system to improve work efficiency. Use the enterprise management organization system to train employees to achieve full recognition and full support.

4. In software system architecture design, hierarchical structure is the most common and most important structure. The hierarchical structure recommended by Microsoft is generally divided into three layers, from the bottom to the top: data access layer, the business logic layer (also known as the domain layer), and the representation layer.

5. Both the local area network and the wide area network belong to the second layer. The physical layer is the first layer of OSI. Although it is at the bottom, it is the foundation of the whole open system. The physical layer provides transmission media and interconnection devices for data communication between devices, and provides a reliable environment for data transmission.

6. The construction of the system should be considered uniformly, and the system can be reused. It is not a simple website. It is more of a system architecture and framework, as well as a set of specifications, methods and tools for the implementation of this architecture. ( 2) Usability and practicality.

Before 2005, which systems were mainly included in the information architecture of retail enterprises

Management information system is a specific information system, which is the application of information system in management.The management information system includes the management data processing system and the decision support system.

Information system is divided into three categories: transaction processing system, management information system, and decision support system. ( 1) Transaction processing system (TPS) is mainly used to support the daily activities of operational personnel.

Information system is a human-machine integrated system composed of computer hardware, network and communication equipment, computer software, information resources, information users and rules and regulations for the purpose of processing information flow. There are five basic functions, namely input, storage, processing, output and control of information.

As the main body, enterprises are generally composed of seven functional departments, namely production, supply, marketing, human, financial, material and technology.These seven functional departments represent different businesses and resources of the enterprise respectively. How to integrate these resources, the ERP system becomes the bearer of this responsibility, and ERP is commonly known as the enterprise resource plan.

What is an enterprise architecture system? The framework of an enterprise's architecture is a tool or methodology used to develop a generalized and diversified architecture. It describes the design of an information system with a series of information technology modules and reveals how these modules are combined.

Division is based on the information processing hierarchy. MIS is divided into quantity-oriented execution system, value-oriented accounting system, report monitoring system, analysis information system, planning and decision-making system based on the information processing hierarchy, forming an information pyramid from the bottom up.

What are the three-layer structures of the information system?

1. Infrastructure layer: It consists of hardware, system software and network that support the operation of computer information systems.

2. The three-layer structure is: data access layer: it mainly depends on whether your data layer contains logical processing. In fact, its functions mainly complete the operation of each data file.Don't worry about other operations. Located in the outermost layer (top layer), it is the closest to the user.

3. Because the information system is for management decision-making, and the management is hierarchical, it can be divided into three layers: strategic planning, tactical management and operation processing, so the information system can also be divided into three-layer subsystems from vertical.

Enterprise IT Architecture

Hardware Hardware includes servers, data centers, personal computers, routers, switching digital intelligence machines and other equipment. The infrastructure also includes facilities for storing data centers and providing cooling and power supply services.

Reduce IT costs. Under the traditional IT architecture, enterprises need to purchase valuable hardware equipment and software authorization, and also need to spend a lot of human and material resources for maintenance and management.

The purpose of IT governance is to effectively integrate IT and the organization's business. The first starting point is the development strategy of the organization. It takes the organizational development strategy as the starting point, follows the organization's risk and internal control system, and formulates the corresponding management mechanism for IT construction and operation.

Banking IT System - Overall Structure - Banking System Overall Architecture and Development Direction: Network Structure: 1 China National Financial NetWork: The system makes the central bank, various commercial banks Banks and other financial institutions are connected together.

Physical fusion and management fusion: The hyper-convergence architecture integrates servers, networks and storage, and is mounted on a unified management platform for maintenance; while the traditional architecture is completely separated.Storage architecture: hyper-convergence uses distributed storage, and the traditional architecture uses centralized storage.

The nine-layer logical structure of the it system mainly includes the basic layer, network layer, storage layer, server layer, operating system layer, database layer, middleware layer, application software layer and data information layer.

What are the systems of information systems?

From the perspective of the development and system characteristics of the information system, it can be divided into five types: data processing system, management information system, decision support system, expert system and virtual office.

The information system is divided into three categories: transaction processing system, management information system and decision support system (1) Transaction processing system (TPS) is mainly used to support the daily activities of operational personnel.It is mainly responsible for handling daily affairs.

Enterprise Information System mainly includes the following aspects: Enterprise Resource Planning System (ERP): used for management Various business processes and resources within the enterprise, such as finance, procurement, production, sales, etc., realize information integration and process optimization.

Judging from the source of information data, information can be divided into: internal information and external information in management, the elements of the information system are: management subject (manager, management agency), management object (all management activities), goal, plan, organization, leadership, coordination, command, control, decision-making and other basic management Reasonable activities.

What does the system framework model include in the construction of enterprise information system,

1. System architecture diagram: draw the architecture diagram of the system by using UML and other tools, including between modules The relationship, data flow, system hierarchy, etc. are convenient for developers to understand and implement.

2. Enterprise System Planning Method (BSP) Business System Plane (BSP) is a structured methodology for enterprise management information system planning proposed by IBM in the 1970s.

3. The management information system includes the management data processing system and the decision support system.Office automation is a product concept of a software company. All computer information systems are automated, and all management software are office applications and are also automated operations to a certain extent.

4. TOGAF is closer to a commonly used standard enterprise architecture description. FEAF emphasizes PRM and SRM service component models, while DoDAF is more focused on technical modeling and implementation, focusing on different aspects, but basically covering all aspects of enterprise architecture.

5. What is the enterprise architecture system? The framework of an enterprise's architecture is a tool or methodology used to develop a generalized and diversified architecture. It describes the design of an information system with a series of information technology modules and reveals how these modules are combined.

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List of the catalog of this article:

• 1,Global trade fair insightsWhich level does the enterprise portal belong to in the information system architecture
• 2,Before 2005, which systems were mainly included in the retail enterprise information architecture
• 3, What are the three-layer structures of the information system?
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