Global trade data normalization

List of the contents of this article:

• 1,Global trade data normalization Management information can be divided into three categories according to the decision-making level
• 2, Which five parts does the management information system consist of
• 3, Classification of information management

Management information can be divided into three categories according to the decision-making level

Usually, management information is divided into three levels, namely strategy level, Tactical level and operation level.

From the level of decision-making, it is divided into three layers: strategic planning, management control and operation control. Three elements of successful development: reasonably determine the system goals;Organize a systematic team; follow the system engineering development steps. The key to success is: the cooperation of business personnel and the support of leaders.

[Answer]: D Because the information system is for management decision-making, and management is layered, 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 vertically.

The occurrence, processing and application of information are inconsistent in space and time. (1) According to the classification of information stability, the information is divided into two categories: fixed information and mobile information. ( 2) Classify according to the decision-making level, and divide management information into strategic information, tactical information and business information.

Which five parts is the management information system composed of

1. The management system refers to the organic whole formed by several interconnected and interacting elements and subsystems such as managers and management objects, combined according to the overall goal of management.

2. The general information system includes five basic elements: input, processing, output, feedback and control.

3. Five components of the information system: composed of computer hardware, computer software, network and communication equipment, information resources, information users and procedures.The information system mainly has five basic functions, namely input, storage, processing, output and control of information.

4. Concept; Professor Xue Huacheng of China explains the structure of the management information system from four aspects: conceptual structure, functional structure, software structure and hardware structure; Professor Gao Fuxian proposed the composition model of integrated MIS, etc. He believes that the management information system consists of five parts: personnel, management, number According to the library, computer software and computer hardware system.

classification of information management

1. File management; spreadsheet management; database management; network database management. The development of information resource management is phased. There are four stages in total, namely physical control, automation technology management, information resource management and knowledge management.

2. Management information can be divided into three categories according to the decision-making level: strategic information, tactical information and business information. Strategic information.

3. Divide the office system, decision-making system, production system and information system according to organizational functions. According to the hierarchy of information processing, it is divided into quantity-oriented execution system, value-oriented accounting system, report monitoring system, analysis information system, planning and decision-making system, and form an information pyramid from the bottom up.

4. The main management information system includes postal and telecommunications information system, bank management information system, civil aviation information system, enterprise management information system, hospital management information system, national economic information system, railway transportation management information system, power construction management information system, hotel management information system and school There are many kinds of management information systems, etc.