Developing System Development & Decision support system in a company . Basic Idea abut System Development & Decision support system .

1. H

2. We are
AIS Prime

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

7. Systems
analysis
Conceptual
Design
Physical
design
Implementation
and Conversion
Operations
and
Maintenance
Systems
Developm
ent Life
Cycle

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

16. THE END

17. ANY
QUESTIONS