How to understand that information system is a social systems engineering? 5

1. The social information system is an open system.

2. The social information system is a whole composed of various subsystems that are interconnected and intertwined. 3. The social information system is a system with double contingencies. Double contingency refers to the uncertainty of both sides of the communication, and the possibility of rejection of the choices made by the communication.

Drumman. 4. The social information system is a self-created and self-improvement system.

Is it a social security information system?

Unified planning, unified standards, unified guidance, unified resources, step-by-step implementation, hierarchical management, network interconnection, and information sharing.

Follow the principles of hierarchy, componentization and standardization.

All-in-one application overall architecture design.

Economical and applicability.

Scalability and ease of maintenance.

Security & Confidentiality.

The information system is a human-machine integrated system. Information system is a man-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, the input, storage, processing, output and control of information.

The information system has gone through three stages of development: simple data processing information system, isolated business management information system, and integrated intelligent information system.

A complete MIS should include: auxiliary decision-making system (DSS), industrial control system (CCS), office automation system (OA), as well as databases, model libraries, method libraries, knowledge bases and interfaces to exchange information with superior authorities and the outside world.

1. The social information system is an open system.

2. The social information system is a whole composed of various sub-straps that are interconnected and intertwined.

3. The social information system is a system with double contingencies.

4. The social information system is a self-created and self-improvement system.

Double contingency: There is uncertainty on both sides of the communication, so there is a possibility that the choices made through the communication will be rejected. Double contingency is a characteristic attribute of human social information systems, which is related to the fact that it is a human-based activity.

The reason for this is that in natural systems, the connections and interactions between the various parts of the system and between the systems are based on established conditions, and when the established physical, chemical or biological conditions are met, the expected reactions will be caused. Human society, on the other hand, is not only conditioned by the laws of biological movement, but also by the laws of mental and psychological movement. In this way, the variables that affect the movement of social information systems and their outcomes are more numerous and complex.

The existence of double contingency shows that the social information system is a multivariate system, and these variables, if not properly handled, can cause communication barriers and communication barriers.

The characteristics of the social information system are:

1. It has network characteristics, it is composed of multiple computer networks;

2. It is distributed, which distributes the tasks that originally existed on a single computer to multiple computers; 3. It is open, it can interact with other systems;

4. It has reliability, which can ensure the normal operation of the system;

5. It is portable, it can run in different hardware environments.

The information system is a system that stores, processes and analyzes social information data (such as demographic data, financial data, social statistics, economic data, etc.). Its purpose is to improve the efficiency of social organizations in handling social problems, improve the level of social management, and increase social and economic benefits through the analysis and comparison of pure data.

The main complexities are as follows:

the complexity of organizational change;

the complexity of system integration;

the complexity of data resource management;

the complexity of the requirements identification process;

The complexity of the perception of the current management system.

Information system construction:

The life span constituted by the following five phases is called the general life cycle of an information system project.

System planning phase.

Conduct a preliminary investigation of the organization's environment, objectives, and the status of the current system, determine the development strategy of the information system according to the organizational goals and development strategy, analyze and analyze the needs of the construction of the new system, and consider the various constraints on the construction of the new system, study the necessity and possibility of building a new system, conduct a feasibility analysis of the alternatives, and prepare the new system construction plan and implementation plan into a system planning report after approval.

System analysis phase.

According to the scope determined in the system planning report, a detailed investigation of the current system is conducted, the business process of the current system is described, the limitations and deficiencies of the current system are pointed out, the basic objectives and logical functional requirements of the new system are determined, and the logical model of the new system is proposed. The results of the work in the system analysis phase are reflected in the system analysis specification.

System design phase.

The task of the system design stage is to design the technical scheme to implement the logical model according to the functional requirements specified in the system specification and considering the actual conditions, that is, to design the physical model of the new system. The technical documentation at this stage is the system design specification.

System implementation phase.

The stage at which the design of the system is put into practice according to the requirements of the system design specification.

This stage is characterized by several interrelated and mutually restrictive tasks that must be carefully arranged and rationally organized at the same time.

The implementation of the system is completed in phases according to the implementation plan, and an implementation progress report should be written for each stage. After the system test, write a system test analysis report.

System operation and maintenance phases.

After the system is put into operation, it is necessary to maintain and evaluate frequently, record the operation of the system, make necessary modifications to the system according to certain rules, and evaluate the work quality and benefits of the system. For problems that cannot be modified or are difficult to modify, they are recorded and regularly compiled into new demand proposals to prepare for the planning of new information system projects.

The management information system is the abstract expression of the social system, and the various entities of the social system interact with each other through information, and these entities are abstracted into the nodes in the management information system, and the invisible information is concretized, classified, retrieved and stored, and the quality of information is improved, so as to improve the efficiency of communication and interaction between entities.

Management information consists of six aspects: information collection, information transmission, information storage, information processing, information maintenance and information use. A complete management information system MIS has the following four criteria: determined information needs, information can be collected and processed, information can be provided to managers through programs, and information can be managed.

Hello, with the popularization of computer and network technology, everything that needs to process a large amount of information institutions, have established their own management information systems So in this sense, management information systems are social systems

From another point of view, the information structure of contemporary society is becoming more and more complex, and it is no longer a simple information technology means that can be effectively managed, so new information processing technologies emerge in an endless stream, such as big data, cloud computing, etc

Key aspects of information system audits.