System Development & Decision support system
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- 3. NOW LET ME INTRODUCE MY GROUP TO YOU ID 10 Safina Naz Sazia ID 13 Md. Ahsanullah ID 33 Md. Zakarya Hossain ID 35 Tanima Das ID 66 Mahabub Hasan AND MY SELF ID 22 Sajal Eahsan ID 02 S.M. Ismail Hossain ID162 Md. Samrat Hossain
- 4. System Development & Decision support system Let’s Get into Our Topic…
- 5. System Development System Development is the process of defining, designing, testing and implementing a software application.
- 6. Why system development need to be changed Change in user or business need Technological change Improved business processes Competitive advantage Productivity gains System integration Systems age and need to be replaced
- 8. The people involved in developing and implementing AIS Management Users Information systems steering committee Project development team Systems analysts and programmers External players
- 9. Inputs: User knowledge Expertise Outputs Decisions Decision support system (DSS) A decision support system (DSS) is a computer program application that analyzes business data and presents it so that users can make business decisions more easily DSS components
- 10. Types of Decision Support Systems DSS Data driven DSS Model driven Knowledge driven Document driven Communication driven Inter- and Intra- organization DSS
- 11. Advantages of Decision support system •Time savings • Enhance effectiveness • Improve interpersonal communication •Competitive advantage •Cost reduction •Increase decision maker Satisfaction
- 12. • Monetary cost • Overemphasize decision making • Assumption of relevance • Transfer of power • Obscuring responsibility • False belief in objectivity. • Status reduction • Information overload Disadvantages of Decision support system
- 13. An expert system is a computer program that uses artificial intelligence (AI) technologies to simulate the judgment and behavior of a human or an organization. Some Components • Hardware • Software • User interface • Telecommunications ES
- 14. Characteristics of Expert Systems High performance Understandable Reliable Highly responsive
- 15. We begin with planning. Next we present the concept of the systems development life cycle (SDLC). Third, we discuss other methods for systems development that organizations SDLC, The next section examines use of application service providers (ASPs). The chapter closes with DSS . Conclusion
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- 17. ANY QUESTIONS