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Chapter 15 The Systems Development Life Cycle and Project Management: Addressing the Challenges of Building AIS Systems Copyright © 2014 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.
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Learning Objectives LO#1 Describe each phase in the systems development life cycle. LO#2 Explain the core principles of information systems planning LO#3 Define project management and describe the positions of those who lead the project. LO#4 Explain why IT projects are challenged and the tools that are used to overcome these challenges. LO#5 Explain why users do or do not want to use a new information system designed for them. 15-2
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The Systems Development Life Cycle The systems development life cycle (SDLC) is the process of creating or modifying information systems to meet the needs of its users. The SDLC is generally viewed as the foundation for all systems development that people use to develop such systems. 15-3 LO# 1
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Phases of the Systems Development Life Cycle Planning Phase Analysis Phase Design Phase Implementation Phase Maintenance Phase 15-4 LO# 1
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The Recursive Nature of the SDLC 15-5 LO# 1
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Project Management: A Few Terms Project management is the planning, organizing, supervising and directing of an IT project. A project manager is the lead member of the project team that is responsible for the project. The project sponsor will often be a senior executive in the company who takes responsibility for the success of the project. 15-6 LO# 2,3
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Challenges of IT Project Management 15-7 LO# 4
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Constraints of IT Projects 15-8 LO# 4
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Project Management Tools PERT chart – works to identify all tasks of a project – Notes task sequencing and task dependence. – Notes critical path – the path that represents the minimum amount of time needed for the completion of the project when sufficient resources are allocated. 15-9 LO# 4
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PERT Chart 15-10 LO# 4
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Project Management Tools A Gantt chart is a graphical representation of the project schedule by mapping the tasks to a project calendar. LO# 4 15-11
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Gantt Chart 15-12 LO# 4
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Will the Systems Be Useful? Will it be Used? 15-13 LO# 5
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Usefulness and Ease of Use? What can be done to address perceptions of usefulness of a new accounting information system? What can be done to address perceptions of ease of use of a new accounting information system? LO# 5 15-14
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Summary The systems development life cycle is the foundation for all systems development, models, and methodologies that people use to develop such systems. The SDLC has five phases: Planning, Analysis, Design, Implementation and Maintenance. Project managers and project sponsors each play key roles in managing system development. Many AIS and IT projects fail to meet expectations. If we can understand the reason these projects fail, we can better design the project management process to address these reasons. – Scope, time and cost represent the triple constraints of project management AIS developers, project managers and project sponsors should all be aware of how a new system is perceived by those who will ultimately be using the new system. 15-15 LO# 5
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