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  • 1. Introduction to Information Systems
  • 2. Data Vs Information
    • Data – Raw facts, No meaningful value
    • Information
      • Data that has been put into a meaningful and useful context.
      • Surprise value
      • aggregated, manipulated, and organized .
    • Example: Single Railway Track is Data & Information is Rail track Network
  • 3.  
  • 4.  
  • 5.  
  • 6. Quality of Information
    • Determined by how it motivates human action & contributes to effective decision making:
      • Utility of Information
        • Form
        • Time
        • Place
        • Possession
      • Information Satisfaction
      • Error & Bias
  • 7. Information Systems: Turn Data into Information
    • Raw material
    • Unformatted information or data
    • Generally has no context
    Examples
    • Processed material
    • Formatted information
    • Data given context
    Individual time cards for factory workers entered into the payroll system Department Labor Report, Project Status Report, Employee Payroll Checks
  • 8. What Is an Information System?
    • An information system
      • Set of interrelated components
      • That collect or retrieve, process, store, and distribute information
      • To support decision making and control in an organization.
      • To provide a feedback mechanism to meet an objective
      • Used to analyze problems, visualize complex subjects, and create new products
  • 9.  
  • 10. Components of an Information System
  • 11. The Role of Information Systems in Business
    • The increased use of cell phones and wireless telecommunications devices
    • A massive shift toward online news and information, booming e-commerce and Internet advertising.
    • Most of the firm's significant business relationships with customers, suppliers, and employees are digitally enabled and mediated.
    • Key corporate assets (intellectual property, core competencies, and financial and human assets) are managed through digital means
  • 12. The Role of Information Systems in Business
    • Business responses to changes in their environment are enhanced through digital communications, allowing for time shifting (business being conducted 24x7) & space shifting (business being conducted globally or beyond traditional geographic boundaries).
      • Example 1: Most retail stores use IS to help them record customer purchases, keep track of inventory, pay employees, buy new merchandise, and evaluate sales trends.
      • Example 2: Decisions about what lines of merchandise need to be added or discontinued, or about what kind of investment they require, are typically made after an analysis provided by IS
      • Example 3: Store management might make a decision to install touch-screen kiosks in all of their stores, with links to their e-commerce website for online shopping.
  • 13. Benefits of Automation – Loan Example
  • 14. Three Primary Uses of Information Systems Automation Providing support to complete a task faster, more cheaply, and perhaps with greater accuracy and/or consistency Organizational Learning (Informing) Providing support to improve day-today operations by creating, acquiring, and transferring knowledge Achieving Strategy Providing support in a way that enables the firm to gain or sustain competitive advantage over rivals
  • 15. Levels of the Organization
  • 16. Who, What, Why: Operational Level
  • 17. Who, What, Why: Managerial Level
  • 18. Who, What, Why: Executive Level
  • 19. Types Of IS
  • 20. 1. Operations Support Systems
    • Focus on the operations of the enterprise
    • Objective is to improve the operational efficiency
    • Use internal data primarily
    • For lower level of management
    • Classified into the following categories
      • Transaction Processing System
      • Process Control System
      • Enterprise Collaboration System
  • 21. a) Transaction Processing Systems Focus on the recording and processing of economic events (transactions)
  • 22.  
  • 23. Example: Payroll System (TPS)
  • 24. b) Processing Control Systems
    • Monitor and control industrial processes
    • Examples: Petroleum Refining, Power generation etc
  • 25. c) Enterprise Collaboration System
    • Enhance team and workgroup communication and productivity, and include applications that are sometimes called office automation system.
    • It facilitates the following activities:
      • Producing outgoing documents (using text processors, software as word processing and desktop publishing & hardware as printers)
      • storage & retrieval of documents (using document management system)
      • transmission of messages (using message communication systems, e-mail, voice mail, videoconferencing and groupware)
      • scheduling and meeting management (using video conferencing, electronic calendars with resource management)
  • 26.  
  • 27.  
  • 28. 2. Management Support Systems
    • Information System application focus on providing information and support for effective decision making by managers.
    • Classified into following categories
      • Management Information System
      • Decision Support System
      • Executive Support System