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Information Systems Classification

1 Information Systems ClassificationEvolution of Information System The first business application of computers (in the mid- 1950s) performed repetitive, high-volume, transaction-computing tasks. The computers crunched numbers summarizing and organizing transactions and data in the accounting, finance, and human resources areas. Such Systems are generally called transaction processing Systems (TPSs)2 Evolution of IS Management Information Systems (MISs):these Systems access, organize, summarize and display Information for supporting routine decision making in the functional areas. Office Automation Systems ( OASs):such as word processing Systems were developed to support office and clerical of IS Decision Support Systems :were developed to provide computer based support for complex, nonroutine decision.

middle line support staff techno-structure executive IS geographic IS decision support factory automation (CIM) artificial intelligence transaction processing The Clerical Level Clerical workers constitute a large class of employee who support managers at all levels of the company. Among clerical workers, those who use, manipulate, or

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