Chapter 05 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 FIVE Development Strategies LESSON PLAN OBJECTIVES When students finish this chapter, they will be able to: Describe software trends, including the concept of software as a service Explain software acquisition alternatives, including traditional versus Web-based software development strategies Describe software outsourcing options, including offshore outsourcing and the role of service providers Explain the advantages and disadvantages of developing software in- house versus other alternatives Explain cost-benefit analysis and financial analysis tools Explain the differences between a request for proposal (RFP) and a request for quotation (RFQ) Describe the contents of the system requirements document Explain the transition from systems analysis to systems design, and the difference between logical and physical design Explain the transition to systems design and the importance of prototyping Discuss guidelines for systems design INSTRUCTOR NOTES Introduction, 196 LECTURE NOTES This chapter is the final chapter in the systems analysis phase of the SDLC. Note the main objective of the systems analysis phase. Recall the topics discussed in Chapters 3 and 4, and list the concepts introduced in Chapter 5. Present the Chapter Introduction Case: Mountain View College Bookstore on page 197. 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 5-1. CLASSROOM ACTIVITIES Consider assigning students to each role in the Chapter Introduction Case: Mountain View College Bookstore on page 197 and having them enact the case dialogue.
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Page 2 of 21 Chapter 5, Development Strategies Development strategies overview, 198 LECTURE NOTES Compare software solutions in the past with software solutions today. List the three key issues that must be considered when selecting the best development path. The impact of the Internet, 198 LECTURE NOTES Note how the Internet has changed software acquisition. Software as a service, 198 LECTURE NOTES Describe the Software and Information Industry Association ( SIIA ). Discuss Figure 5-2. Explain the concept of software as a service . Point out that many software industry leaders endorse this concept. Discuss Figure 5-3. The life expectancy of software has grown increasingly short — software that once could be considered on the cutting edge for up to six years now can be deemed obsolete in as little as two years. For business, this situation is especially challenging as huge software investments soon can be outmoded, forcing companies to spend even more money to keep up with the more up-to-date versions of software that competitors use. CLASSROOM ACTIVITIES
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Chapter 05 IM - Systems Analysis and Design, Sixth Edition...

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