EVOLUTION of information management sysytem.pptx

EVOLUTION OF INFORMATION MANAGEMENT SYSTEM

1. Evolution of Information System

2. Introduction 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)

3. „ Management Information Systems (MISs ): T hese systems access, organize, summarize and display information for supporting routine decision making in the functional areas . „ Office Automation Systems( OASs): S uch as word processing systems were developed to support office and clerical workers.

4. Decision Support Systems: were developed to provide computer based support for complex, Non routine decision . End- user computing: The use or development of information systems by the principal users of the systems’ outputs, such as analysts, managers, and other professionals.

5. Intelligent Support System (ISSs): Include expert systems which provide the stored knowledge of experts to non experts , and a new type of intelligent system with machine- learning capabilities that can learn from historical cases Knowledge Management Systems: Support the creating, gathering, organizing, integrating and disseminating of organizational knowledge.

6. Data Warehousing: A data warehouse is a database designed to support DSS, ESS and other analytical and end-user activities . Mobile Computing: Information systems that support employees who are working with customers or business partners outside the physical boundaries of their company ; can be done over wire or wireless networks.

7. Kinds of Information Systems 1. Organizational Hierarchy 2. Organizational Levels 3. Information Systems

8. General Kinds of IS Operational-level systems Knowledge-level systems Management-level systems

9. Operational-level systems Support operational managers by monitoring the day-to-day‘s elementary activities and transactions of the organization e.g. TPS.

10. Knowledge-level systems Support knowledge and data workers in designing products, distributing information, and coping with paperwork in an organization. e.g . KWS(CAD) CMS OAS

11. Management-level systems Support the monitoring, controlling, decision-making, and administrative activities of middle managers. e.g . MIS, DSS

12. Strategic-level systems Support long-range planning activities of senior management. e.g. ESS Executive Support Systems (ESS) Management Information Systems (MIS) Decision Support Systems (DSS) Knowledge Work Systems (KWS) Office Automation Systems (OAS) Transaction Processing Systems (TPS) Transaction Processing Systems (TPS)