Useful DSS will challenge and eventually change decision makers. By contrast, management information systems (MIS) provide output but no real impetus for change in the person receiving it. Interacting with DSS will provide to be new and challenging for most decision makers and will provide new perspective on the decision making process that are attractive and understandable yet innovative. By furnishing a new way to see problems and opportunities DSS eventually change the users decision-making process and, along with it, the user.

Decision Support systems are designed to help support decisions involving complex problems that are formulated as semi-structured. Because such problems remain resistant to complete computerization, a solution per se is not the goal of DSS; instead they support the decision process that leads to a solution.

Decision support systems may be constructed to support one time decisions, those that are frequent or those that occur routinely. The type...
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