570 likes | 2.48k Vues
Information Systems Framework. Ch. 11 & 12. Ch. 3 & 4. Ch. 5, 6 7 & 8. Ch. 13 & 14. Ch. 9 & 10. Ch. 1 & 2. What is a system?. A group of interrelated or interacting elements forming a unified whole , OR
E N D
Information Systems Framework Ch. 11 & 12 Ch. 3 & 4 Ch. 5, 6 7 & 8 Ch. 13 & 14 Ch. 9 & 10 Ch. 1 & 2
What is a system? • A group of • interrelated or interacting elements forming a unified whole, OR • interrelated components working together toward a common goal by accepting inputs and producing outputs in an organized transformation process(dynamic system). • Add feedback and control loops… • cybernetic system • Self-monitoring • Self-regulating
Other System Characteristics • A systems exists in an environment • A subsystem is a component of a larger system. • Systems in the same environment use shared boundary, or interface. • Open (vs. closed) system • Adaptive system
Monthly Sales Report for West Region 1200 100 West Charles Mann 79154 TM Shoes Sales Rep: Charles Mann Emp No. 79154 ItemQty SoldPrice TM Shoes 1200 $100 Data ≠ Information
Information Products • Focus on the end-user • Information Products are result of IS activities: • Input • Processing • Output • Storage • Control
Support Competitive Advantage Support Business Decision Making Support of Business Processes and Operations Major Roles of IS Strategic Leadership Executive Level Managerial Level Tactical Management Functional Level
Information Systems: The Past • 1950s – 1960s • Data processing; automation • 1960s – 1970s • Management reporting; pre-specified information • 1970s – 1980s • Modeling; decision-support • 1980s – 1990s • Team collaboration; executive support; expert systems; strategic IS Figure 1.11 Page 22
The Present and the Future • Electronic Commerce • Buying & selling, and marketing & servicing of products, services, & information. • Virtual stores; click-and-mortar stores Figure 1.11 Page 22
The Present and the Future • E-Business • Internet, Intranet, Extranet, etc. • for Business processes • for Electronic commerce • For enterprise communication & collaboration • Connecting with customers, suppliers, & other business stakeholders • Virtual teams (location-independence) Figure 1.11 Page 22
Types of Information Systems • For operations support: • Transaction processing systems(batch or real-time) • Process Control Systems(industrial processes) • Enterprise Collaboration Systems(office automation; team communication/productivity)
Types of Information Systems • For management support: • Management Information Systems(pre-defined reports) • Decision Support Systems(modeling; what-if analysis) • Executive Information Systems(internal/external sources)
Types of Information Systems • Other categories: • Expert systems • Knowledge management systems • Functional (and cross-functional) business systems • Strategic information systems
IS: Solution Development Challenges & Deploy
IS: Ethical Challenges • Ownership/Liability • Accountability • Privacy • Security • Profit vs. Social responsibility • Etc. (See Chapter 11)
Real World Case 5 –WH Smith PLC Groups of 2-3 neighbors; read the case and answer: • Why did WH Smith need a new retail management system? • What were their goals? How well did the system meet the goals? • How has the staff been included in the process? Is this important? Why or why not? Share your thoughts with the class
Re-Cap • IT/IS: What and Why • Trends of IS in Business • Challenges of IT/IS for management • Real World Case: WH Smith PLC • Next Wednesday: • 2/11/04, 3:00-4:15pm, we meet at the King Library, Rom 213 • Questionnaire/essay via email