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Systems Analysis and Design

Systems Analysis and Design. Introduction to Information Systems. Agenda. Interesting News and Articles The Modern System Analyst Introduction to Information Systems Class Exercise. Who is System Analyst?. A person who works with systems owners, users, and builders.

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Systems Analysis and Design

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  1. Systems Analysis and Design Introduction to Information Systems

  2. Agenda • Interesting News and Articles • The Modern System Analyst • Introduction to Information Systems • Class Exercise

  3. Who is System Analyst? • A person who works with systems owners, users, and builders.

  4. System Analyst’s Main Tasks • System Analysis • System Design

  5. Collect data Document data Create data dictionary Design system Model system Test systems Implement and install Create user manual Conduct questionnaire Maintain and evaluate Give consulting Be a coordinator Be a problem solver Be able to make change Prepare data for organization Other necessary tasks

  6. Systems Analysis and Design Methodology • System Development Life Cycle (SDLC) • Planning • Analysis • Design • Implementation • Operation and Support

  7. The characteristics of a good system analyst • Be knowledgeable in IT • Have experience and skills in computer programming • Have knowledge in business and the real world • Have skills in problem solving • Have a good communicating skills • Be flexible • Have moral and ethic • Be creative in analysis and design

  8. The Career Opportunity • Junior systems analyst/programmer • Senior systems analyst • Database administrator • Computer security specialist • Project manager • Information system manager • Technical specialists for database, telecommunication and microcomputers • Senior technical support analyst • Vice-President of MIS or Chief information officer (CIO)

  9. Introduction to Information Systems

  10. Definition • Data • Information

  11. Process Output Input ข้อมูลดิบ Raw Data สารสนเทศ Information ประมวลผล Processing Data VS Information

  12. Characteristics of Information • Accurate • Complete • Economical • Flexible • Reliable • Relevant • Simple • Timely • Verifiable

  13. What is a system? The combination of: • People • Resource • Concept • Process

  14. Information System • An information system includes: • Input • Processing • Output • Feedback

  15. Information Technology • The combination of computer technology and communication technology (telecommunication)

  16. EIS DSS MIS DPS Organizational Information Systems ระดับ การวางแผน ยุทธศาสตร์ (Strategic Planning Level) ระดับวางแผนการบริหาร (Tactical Planning Level) ระดับวางแผนการปฏิบัติการ (Operational Planning Level) ระดับการปฏิบัติการ (Clerical Level)

  17. Levels in Organization • Clerical • Operational Planning • Tactical Planning • Strategic Planning

  18. Types of Information System • DPS (Data Processing System) TPS (Transaction Processing System) EDP (Electronic Data Processing) • MIS (Management Information System) • DSS (Decision Support System) • EIS (Executive Information System) • ES (Expert System)

  19. Question?

  20. Class Exercise • In a group of 3 to 5 people, identify an information system you know well and explain about that system.

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