Information Systems

Define an Information System and Types of Information Systems

An information system comprises the hardware and software components necessary to create, store, manage, share, and maintain data. The type of information system selected depends on the specific needs of the user or the organization. There are three basic types of information systems: transaction information systems, management information systems, and decision support systems ("Types of Information Systems," n.d.).

Decision support systems are indicated for departments that manage strategic planning. For example, a decision support system can offer methods of computing revenue trends, which might provide the necessary data needed to implement an organizational change ("Types of Information Systems," n.d.). Management information systems comprise systems that deliver information used to make short-term decisions. These decisions might not make a huge impact on organizational culture, as they might at upper levels of management, but middle management sill requires information to support...
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