1 / 76

Chapter

7. COIS11011 WEEK 7. Chapter. Enhancing Business Intelligence Using Information Systems. Use of outdated information systems can be costly. A software glitch at the Tokyo Stock Exchange cost Misuho Securities Co. $US350 million. Learning Objectives. Learning Objectives.

meda
Download Presentation

Chapter

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. 7 COIS11011 WEEK 7 Chapter Enhancing Business Intelligence Using Information Systems Use of outdated information systems can be costly. A software glitch at the Tokyo Stock Exchange cost Misuho Securities Co. $US350 million. Information Systems Today: Managing in the Digital World

  2. Learning Objectives Information Systems Today: Managing in the Digital World

  3. Learning Objectives Information Systems Today: Managing in the Digital World

  4. Decision-Making Levels of an Organization Information Systems Today: Managing in the Digital World

  5. Operational Level • Day-to-day business processes • Interactions with customers • Information systems used to: • Automate repetitive tasks • Improve efficiency • Decisions: • Structured • Recurring • Can often be automated using IS Information Systems Today: Managing in the Digital World

  6. Summary of Characteristics: Operational Level Information Systems Today: Managing in the Digital World

  7. Managerial Level • Functional managers • Monitoring and controlling operational-level activities • Providing information to executive level • Midlevel managers • Focus on effectively utilizing and deploying resources • Goal of achieving strategic objectives • Managers’ decisions • Semistructured • Contained within business function • Moderately complex • Time horizon of few days to few months Information Systems Today: Managing in the Digital World

  8. Summary of Characteristics: Managerial Level Information Systems Today: Managing in the Digital World

  9. Executive Level • The president, CEO, vice presidents, board of directors • Decisions • Long-term strategic issues • Complex and nonroutine problems • Unstructured decisions • Long-term ramifications Information Systems Today: Managing in the Digital World

  10. Summary of Characteristics: Executive Level Information Systems Today: Managing in the Digital World

  11. Comparison of Decision-Making Levels Information Systems Today: Managing in the Digital World

  12. Learning Objectives Information Systems Today: Managing in the Digital World

  13. General Types of Information Systems • Input-process-output model • Basic systems model • Payroll system example Information Systems Today: Managing in the Digital World

  14. Transaction Processing System • Operational level • Purpose: • Processing of business events and transactions • Increase efficiency • Automation • Lower costs • Increased speed and accuracy • Examples • Payroll processing • Sales and order processing • Inventory management • Etc. Information Systems Today: Managing in the Digital World

  15. Architecture of a TPS Information Systems Today: Managing in the Digital World

  16. Architecture of a TPS: Inputs • Source Documents • Different data entry methods Information Systems Today: Managing in the Digital World

  17. Architecture of a TPS: Processing • Online processing • Immediate results • Batch processing • Transactions collected and later processed together • Used when immediate notification not necessary Information Systems Today: Managing in the Digital World

  18. Architecture of a TPS: Outputs • Counts, summary reports • Inputs to other systems • Feedback to systems operator Information Systems Today: Managing in the Digital World

  19. Summary of TPS Characteristics Information Systems Today: Managing in the Digital World

  20. Management Information Systems • Managerial level • Purpose: • Produce reports • Support of midlevel managers’ decisions • Examples • Sales forecasting • Financial management and forecasting • Manufacturing, planning and scheduling • Inventory management and planning • Etc. Information Systems Today: Managing in the Digital World

  21. Architecture of an MIS Information Systems Today: Managing in the Digital World

  22. Architecture of an MIS: Inputs • TPS data • Internal data • Requests for reports Information Systems Today: Managing in the Digital World

  23. Architecture of an MIS: Processing • Aggregation • Summary Information Systems Today: Managing in the Digital World

  24. Architecture of an MIS: Outputs Information Systems Today: Managing in the Digital World

  25. Summary of MIS Characteristics Information Systems Today: Managing in the Digital World

  26. Executive Information Systems • A.k.a. Executive support systems • Executive level • Purpose • Aid in executive decision-making • Provide information in highly aggregated form • Examples • Monitoring of internal and external events and resources • Crisis management • Etc. Information Systems Today: Managing in the Digital World

  27. Architecture of an EIS Information Systems Today: Managing in the Digital World

  28. Architecture of an EIS: Inputs • Hard data • Facts and numbers • Generated by TPS & MIS • Soft data • Nonanalytical information • Web-based news portals • Customizable • Delivery to different media Information Systems Today: Managing in the Digital World

  29. Architecture of an EIS: Processing • Summarizing • Graphical interpreting Information Systems Today: Managing in the Digital World

  30. Architecture of an EIS: Outputs • Summary reports • Trends • Simulations Information Systems Today: Managing in the Digital World

  31. EIS Output: Digital Dashboards • Digital dashboard • Presentation of summary information • Information from multiple sources • Ability to drill down if necessary Information Systems Today: Managing in the Digital World

  32. EIS Output: Digital Dashboard (II) • Total employee absenteeism a) line chart b) drill-down numbers Information Systems Today: Managing in the Digital World

  33. Summary of EIS Characteristics Information Systems Today: Managing in the Digital World

  34. Learning Objectives Information Systems Today: Managing in the Digital World

  35. 7 Information Systems that Span Organizational Boundaries Information Systems Today: Managing in the Digital World

  36. 1. Decision Support Systems • Decision making support for recurring problems • Used mostly by managerial level employees (can be used at any level) • Interactive decision aid • What-if analyses • Analyze results for hypothetical changes • E.g., Microsoft Excel Information Systems Today: Managing in the Digital World

  37. Architecture of a DSS Information Systems Today: Managing in the Digital World

  38. Common DSS Models Information Systems Today: Managing in the Digital World

  39. Summary of DSS Characteristics Information Systems Today: Managing in the Digital World

  40. Using DSS to Buy a Car • Selling price – $22,500 • Down payment – $2,500 • Monthly payment – about $400 • Interest rate information from the bank Information Systems Today: Managing in the Digital World

  41. Microsoft Excel: Loan Analysis Template • Calculate • Monthly payment • Total amount paid • Total interest paid • What-if analysis • Change inputs • See the results Information Systems Today: Managing in the Digital World

  42. Loan Analysis Summary • Examine results • Choose best solution for given situation • E.g., based on monthly payment or total interest Information Systems Today: Managing in the Digital World

  43. 2. Intelligent Systems • Artificial intelligence • Simulation of human intelligence • Reasoning, learning, sensing, hearing, walking, talking, etc. Information Systems Today: Managing in the Digital World

  44. Example: Artificial Intelligence Information Systems Today: Managing in the Digital World

  45. Intelligent Systems • Intelligent system • Sensors, software and computers • Emulate and enhance human capabilities • Three types • Expert systems • Neural networks • Intelligent agents Information Systems Today: Managing in the Digital World

  46. Expert Systems • Use reasoning methods • Manipulate knowledge rather than information • System asks series of questions • Inferencing/pattern matching • Matching user responses with predefined rules • If-then format • Fuzzy logic • Represent rules using approximations Information Systems Today: Managing in the Digital World

  47. Example: Expert System Expert system to make a medical recommendation Information Systems Today: Managing in the Digital World

  48. Architecture of an Expert System Information Systems Today: Managing in the Digital World

  49. Summary of ES Characteristics Information Systems Today: Managing in the Digital World

  50. Neural Network System • Approximation of human brain functioning • Training to establish common patterns • Past information • New data compared to patterns • E.g., loan processing Information Systems Today: Managing in the Digital World

More Related