University of Palestine College of Business Administration

1. Information system University of Palestine College of Business Administration Presented by : Hanaa Omar Alqaroot . Presented To : Elmassriy .Mr.Eyad .26 , November2009 .

2. Table Of Contents • Definition of information system • Classifications of information system • Types of information system • Benefits of information system • Disadvantages of information system • Challenges of information system • Opportunities of information system

3. Definition of information system • A system for managing and processing information, usually computer-based. Also, a functional group within a business that manages the development and operations . of the business’s information . • Classifications of information system • Transaction Processing Systems (TPS) • Decision Support Systems (DSS) • Expert Information Systems (EIS) • Management Information Systems (MIS) • Office Automation Systems (OAS)

4. Transaction Processing Systems (TPS) • designed to process routine transactions efficiently and accurately. • A business will have several (sometimes many) . • Decision Support Systems (DSS) • designed to help management make decisions in situations where there is uncertainty about the possible outcomes of those decisions. • Executive Support Systems (ESS) • It gathers, analyses and summarizes the key internal and external information used in the business.

5. Management Information Systems (MIS) • Take data from the transaction processing systems (see below) and summarize it into a series of management reports. • Office Automation Systems (OAS) • improve the productivity of employees who need to process data • Types of information system • Informal Information System • Formal Information System

6. Benefits of information system • Central access • Easy backup • Central distribution of information • Easy record-keeping • Easy tax preparation • Easy customer trait identification

7. Disadvantages of information system • Limited functionality, by design • Information overload for some managers • Benefits hard to quantify • System may become slow, large, and hard to manage • Need good internal processes for data management • May lead to less reliable and less secure data • System dependent

8. Challengesfaces information system • Workforce downsizing • Information overload • Employee mistrust • Difficult to built • Security breaches

9. Opportunities of information system • Enhanced global competitiveness • Capture market opportunities • Support corporate strategy • Enhance worker productivity • Improve quality of goods and services

10. Conclusion Information Systems are indispensable to the business, industry, academia and any organization to meet the future challenges .