1. Decision Support System (DSS) :
It’s a computer based system that aids the process of decision making. It is an interactive, flexible and adaptable computer system. It is especially developed for supporting the solution of a non-structured management problem for improved decision making.
DSS are a specific class of computerized information system that supports business and organizational decision-making activities.
- It saves time.
- Enhances efficiency
- Reduces the cost
- It improves personal efficiency
- It increases the decision maker satisfaction.
- Information Overload
- Status reduction
- Over-emphasize decision making.
2. Executive Support System (ESS)
ESS is designed to incorporate data about external events such as new tax laws or competitors, but they also draw summarized information from internal MIS and DSS. They filter, compress and track critical data, emphasizing the reduction of time and effort required to obtain information useful to executives. It employs the most advanced graphics software and can deliver graphs and data from many sources immediately to a senior executives.
- Enhances personal thinking.
- Easy to use for upper level executives.
- Better reporting system.
- Improve office automation.
- System dependent.
- Limited functionality.
- Information overloaded.
Difference between DSS and ESS :
|It stands for Decision Support System.||It stands for Executive Support System.|
|It analyzes unanticipated situations using data.||It presents summary information in a flexible, easy to use, graphical format, designed for top executives.|
|It provides detailed information.||It provides precise information.|
|It uses internal data.||It uses internal and external data both.|
|It supports structured and semi-structured data both.||It supports structured problems.|
|It is for middle management.||It is for top level management.|
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