What does the enterprise internal information system include?

A complete enterprise internal information system generally includes five parts: transaction processing system, office automation system, knowledge application system, management information system and decision-making consultation system. 1. The transaction processing system aims at specific affairs in management, such as finance, sales and inventory. To assist managers in recording, summoning, bookkeeping, data statistics and classification, and making reports to provide effective information for business decisions. Transaction processing system is the lowest and most basic information system serving the management of an organization. These systems are usually independent systems dealing with a transaction, such as financial processing system, salary management system, material warehousing management system, contract management system and so on. There is no connection between systems, such as communication and sharing. The main function of the transaction management system is to input, process and output the data of daily business in enterprise management. Transaction management system is the development of information system. 2. Office automation is a comprehensive and interdisciplinary man-machine information processing system based on advanced science and technology, which uses relevant office automation equipment to assist office staff to manage all kinds of office information, mainly using information resources to improve office efficiency and office quality. Office automation can accurately and timely provide information services for relevant office staff, improve the office environment and improve office efficiency. Its main functions are: transaction processing, information management and decision-making. Transaction processing mainly deals with all kinds of daily affairs of the office, such as sending notices, drafting documents, typing and copying, data summary, etc. These transactions are completed by special software, which is much faster and time-saving than handing in documents; Information management is mainly about information collection, processing, communication, acquisition, provision, analysis, judgment, application and feedback. Using office automation can achieve accurate, fast, timely and high-quality results. Decision-aided office automation system is called decision-making office system, which is based on a large amount of information provided by management office system, and establishes many computer-executable decision-making models that can comprehensively analyze, predict development and judge advantages and disadvantages. According to the original data information, the system can automatically make a feasible decision-making scheme. 3. The knowledge application system is a man-machine information system. Different from office automation system, knowledge application system is a very specialized information system. Its establishment and use mainly depend on the knowledge of specific fields, and only professionals with relevant professional knowledge can use it. The workflow of professionals is very complicated. After an enterprise decides to develop a new product, designers will begin to collect and consult a large amount of information, including knowledge of professional fields related to the new product and various information inside and outside the enterprise. In the past, designers often spent a lot of time, energy and money on consulting materials, accounting, drawing and modeling. After using the knowledge application system, the efficiency is rapidly improved. 4. Information management system is an information system based on transaction processing, which introduces a large number of management methods to realize the processing of the overall information of the enterprise, and uses the information to predict, control and plan, assisting the overall management of the enterprise. The architecture of management information system consists of subsystems that realize different functions of enterprises in a logical way. The so-called logical combination is different from the combination according to the current organizational form of the enterprise. It must analyze and synthesize the data of each functional subsystem in advance, establish public databases and data files of each subsystem according to the information requirements of different management levels, and establish public models, public programs and special programs of each subsystem according to the requirements of each subsystem to handle information work. The main function of management information system is to complete the function of transaction processing system at first, but unlike transaction processing system, management information system takes each subsystem of the latter as a part to develop as a whole. The main function of the information management system is to support the middle managers in the management control layer to analyze, control, plan and predict the production and business activities. Therefore, the data controlled by the management information system consists of two parts: one part is the data provided by it; Second, various plans, standard budgets and cost indicators. 5. Decision consulting system is some quantitative analysis and optimization methods and models that appear with people's in-depth understanding of the decision-making process, and can be used to solve problems in the field of semi-structured management decision-making. Judging from the decision-making process, the decision-making consultation system mainly has the following characteristics: (1) providing all kinds of information related to decision-making in time. (2) Store, construct and provide various models and solutions related to decision-making problems. (3) Organize, maintain and manage existing information and models. (4) Flexible use of models and methods, comprehensive analysis of decision-making issues, put forward candidate schemes and their evaluation. (5) Provide a convenient and flexible human-computer interaction interface, which is suitable for managers to use directly without or with little training.