Different Types of Information Systems

Topics: Microsoft Office, Knowledge management, Management information system Pages: 2 (433 words) Published: August 29, 2009
Information
System |Description | |
|Executive Support |An Executive Support System ("ESS") is designed to help senior management make strategic decisions. It | |Systems |gathers, analyses and summarises the key internal and external information used in the business. | | |A good way to think about an ESS is to imagine the senior management team in an aircraft cockpit - with | | |the instrument panel showing them the status of all the key business activities. ESS typically involve | | |lots of data analysis and modelling tools such as "what-if" analysis to help strategic decision-making. | |Management Information |A management information system ("MIS") is mainly concerned with internal sources of information. MIS | |Systems |usually take data from the transaction processing systems (see below) and summarise it into a series of | | |management reports. | | |MIS reports tend to be used by middle management and operational supervisors. | |Decision-Support |Decision-support systems ("DSS") are specifically designed to help management make decisions in | |Systems |situations where there is uncertainty about the possible outcomes of those decisions. DSS comprise tools | | |and techniques to help gather relevant information and analyse the options and alternatives. DSS often | | |involves use of complex spreadsheet and databases to create "what-if" models. | |Knowledge Management |Knowledge Management Systems ("KMS") exist to help businesses create and share information. These are | |Systems |typically used in a business where employees create new knowledge and expertise -...
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