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Chapter 03 IM - Systems Analysis and Design Sixth Edition...

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Systems Analysis and Design, Sixth Edition Page 1 of 21 Systems Analysis and Design Sixth Edition Instructor’s Manual CHAPTER THREE Requirements Modeling OBJECTIVES When students finish this chapter, they will be able to: Describe the systems analysis phase activities and the end product of the systems analysis phase Explain joint application development (JAD) and rapid application development (RAD) Understand how systems analysts use a functional decomposition diagram (FDD) Describe the Unified Modeling Language (UML) and explain use case diagrams and sequence diagrams List and describe system requirements, including outputs, inputs, processes, performance, and controls Explain the importance of scalability in system design Use fact-finding techniques, including interviews, documentation review, observation, questionnaires, sampling, and research Define total cost of ownership (TCO) and explain the concept Conduct a successful interview Develop effective documentation methods to use during systems development INSTRUCTOR NOTES Phase 2: Systems Analysis, 89 LECTURE NOTES Briefly describe the systems analysis phase of the SDLC. During the systems analysis phase: 1) The current system is studied to see how it works 2) Users’ wants, needs, and requirements are determined 3) A solution is recommended Note what already has been done and what will be done during this phase. Mention the Main Topic of Chapters 3, 4, and 5; the Deliverable; and the Toolkit Support.
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Page 2 of 21 Chapter 3, Requirements Modeling Introduction, 90 LECTURE NOTES Present the Chapter Introduction Case: Mountain View College Bookstore on page 91. This introduction case sets up the material developed in the chapter. Review the background, participants, project status, and discussion topics for the case. Discuss Figure 3-1. CLASSROOM ACTIVITIES Consider assigning students to each role in the Chapter Introduction Case: Mountain View College Bookstore on page 91 and having them enact the case dialogue. Systems analysis phase overview, 92 LECTURE NOTES Review the overall objective of the systems analysis phase. Discuss the models and other documentation tools used to visualize and describe the proposed system. Systems analysis skills, 92 LECTURE NOTES Using Figure 3-2, identify the three main activities in the systems analysis phase. Requirements modeling, 92 LECTURE NOTES Define requirements modeling . Review and briefly explain each of the five categories into which requirements for the new system fall, including outputs , inputs , processes , performance , and security . Data and process modeling, 92 LECTURE NOTES Briefly introduce data and process modeling, which will be discussed in more detail in Chapter 4. Development strategies, 92 LECTURE NOTES Define system requirements document . Mention the effort needed to coordinate tasks when developing large systems. Point out that the Systems Analysts Toolkit describes valuable project management tools.
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