Satzinger_Ch09

Satzinger_Ch09 - 9 Chapter 9 Elements of Systems Design...

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9 Chapter 9 Elements of Systems Design Systems Analysis and Design in a Changing World, 5th Edition Systems Analysis and Design in a Changing World, 5th Edition
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9 2 Learning Objectives Discuss the issues related to managing and coordinating the design phase of the SDLC Explain the major components and levels of design Describe each design phase activity Develop a simple network diagram Describe common deployment environments and matching application architectures
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9 3 Overview This chapter Completes the transition from analysis to design Discusses issues related to design of new system Describes all design activities Describes network and architecture design Analysis focuses on what system should do— business requirements Design is oriented toward how system will be built — defining structural components
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9 4 Project Management – Execution and Control of Projects Organizing teams and assigning work Communicating status and information Monitoring and controlling project progress Controlling project issues and risks
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9 5 Organizing Project Teams and Assigning Work Team Organization Assign leaders or let teams self organize Permanent or floating assignments What criteria to use in assignments Assigning Tasks Individual assignments or team assignments In advance or just-in-time Full schedule versus open times on schedule
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9 6 Managing Communications What kind of information to manage Project status and progress information System development information How to collect, store, and distribute information Utility of a data repository Utility of technology and web-base tools
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9 7 Figure 9-1 Managing Communications (cont’d)
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9 8 Types of Information to Manage Figure 9-2
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9 9 Sample Dashboard Figure 9-3
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9 10 Monitoring the Project Plan Figure 9-4
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9 11 Controlling Issues and Risks Figure 9-5
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9 12 Understanding the Elements of Design Design is process of describing, organizing, and structuring system components at architectural design level and detailed design level Focused on preparing for construction Like developing blueprints Three questions What components require systems design? What are inputs to and outputs of design process? How is systems design done?
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9 13 Components Requiring Systems Design Figure 9-6
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9 14 Inputs for System Design Design Converts functional models from analysis into models that represent the solution Focused on technical issues Requires less user involvement than analysis Design may use structured or OO approaches Database can be relational, OO, or hybrid User interface issues
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9 15 Analysis versus Design Figure 9-7
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9 16 Traditional Structured and Object- Oriented Models Figure 9-8
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9 17 SDLC Phases with Design Phase Activities Figure 9-9
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9 18 Design Phase Activities and Key Questions Figure 9-10
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This document was uploaded on 02/22/2010.

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Satzinger_Ch09 - 9 Chapter 9 Elements of Systems Design...

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