Chapter 08 IM - Systems Analysis and Design, Sixth Edition...

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Systems Analysis and Design, Sixth Edition Page 1 of 17 Systems Analysis and Design Sixth Edition Instructor’s Manual CHAPTER EIGHT System Architecture LESSON PLAN OBJECTIVES When students finish this chapter, they will be able to: Provide a checklist of issues to consider when selecting a system architecture Describe servers, server-based processing, clients, and client-based processing Explain client/server architecture, including tiers, cost-benefit issues, and performance considerations Describe the impact of the Internet on system architecture Explain the difference between online and batch processing Define network topology, and provide examples of hierarchical, star, bus, and ring network models Explain network protocols and licensing issues Explain system management tools and techniques, including performance management, fault management, backup, and disaster recovery Describe the systems design specification and explain the contents of each section INSTRUCTOR NOTES Introduction, 362 LECTURE NOTES This is the final chapter in the systems design phase of the SDLC. Note that the logical design now must be translated into a physical blueprint, or architecture . Mention the objective at this point in the SDLC. Define system architecture . Note the end product of the systems design phase and the next step. Present the Chapter Introduction Case: Mountain View College Bookstore on page 363. 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 8-1. CLASSROOM ACTIVITIES Consider assigning students to each role in the Chapter Introduction Case: Mountain View College Bookstore on page 363 and having them enact the case dialogue. DISCUSSION TOPICS Assign Discussion Topic 1 on page 404.
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Page 2 of 17 Chapter 8, System Architecture System architecture checklist, 364 LECTURE NOTES Explain why a systems analyst should approach system architecture with an overall checklist. List the seven specific issues that affect architecture choice. QUICK QUIZZES Assign Review Question 2 on page 404. Enterprise resource planning, 364 LECTURE NOTES Describe enterprise resource planning ( ERP ). ERP provides centralized, integrated software applications to help manage and coordinate the ongoing activities of the functional units of an enterprise, including manufacturing and distribution, accounting, finance, sales, product planning, and human resources. Note the objective of ERP. Define environment or platform . Using Figure 8-2, list five major reasons why companies undertake ERP. ERP also helps companies: Reduce the workforce by eliminating manual tasks and duplication Support global business operations Achieve economy of scale by replacing division-level systems Reduce information system development staff by using packaged solutions Improve customer service through better logistics Improve data integrity through a common database
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Chapter 08 IM - Systems Analysis and Design, Sixth Edition...

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