【应用架构】管理信息系统（MIS）与决策支持系统（DSS）的区别
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Decision Support System (DSS) is an interactive, flexible computer based information system or sub-system intended to help decision makers use communication technologies, data, documents to identify and solve problems, complete decision process tasks and make decision. Management Information System (MIS) consists of following three pillars: Management, Information, and System. These are explained as following below.
- Management: art of getting things done through and with the people of in formally organized groups.
- Information: data that have a meaning with a context, where data is raw facts about an entity (entity is the object of interest).
- System: set of inter-related components with a clearly defined boundary working together to achieve a common goal.
Management Information System (MIS) is a computer based system that makes information available to users with similar needs. Difference between Management Information System (MIS) and Decision Support System (DSS):
| PARAMETER | MIS(MANAGEMENT INFORMATION SYSTEM) | DSS(DECISION SUPPORT SYSTEM) |
|---|---|---|
| 1. Main task | Identifies information requirement. | Develop certain tools for using decision process. |
| 2. Main stress | Main stress is on efficiency. | Main stress is on effectiveness. |
| 3. Type of database used | Uses corporate database. | Uses special database. |
| 4. Data related task | Data storage is of great importance | Main emphasis is on data manipulation |
| 5. Dependency on | Very much dependent on computer | dependent on management judgement. |
| 6. Access to data | Indirect access of data by provided | Management enjoys direct access |
| 7. Principal use | Principal use is control | Principal use is planning, staffing, decision making. |
| 8. Created/developed by | Constructed by vendors or information specialists | Created by users alone or with specialists. |
| 9. Types of users | Middle level, lower level, sometimes senior executive | Analysts, professionals, managers. |
| 10. Main focus | Focuses on information processing. | Focuses on decision support, analysis. |
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