Different Type of Information System Essay example

11166 Words Apr 19th, 2011 45 Pages
Five Types of Information Systems
Information systems are constantly changing and evolving as technology continues to grow. Very importantly the information systems described below are not mutually exclusive and some (especially Expert Systems, Management Information Systems and Executive Information Systems are can be seen as a subset of Decision Support Systems). However these examples are not the only overlaps and the divions of these information systems will change over time.
At present there are five main types: |Transaction Processing Systems (TPS) |
|Decision Support Systems (DSS) |
|Expert Information Systems (EIS) |
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Includes record keeping |
| |applications. |
|Management information system |Provides input to be used in the managerial decision process. Deals|
| |with supporting well structured decision situations. Typical |
| |information requirements can be anticipated. |
|Decision support system |Provides information to managers who must make judgements about |
| |particular situations. Supports decision-makers in situations that |
| |are not well structured. |

Office automation

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Office automation refers to the varied computer machinery and software used to digitally create, collect, store, manipulate, and relay office information needed for accomplishing basic tasks and goals. Raw data storage, electronic transfer, and the management of electronic business information comprise the basic activities of an office automation system.[1] Office automation helps

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