Lecture8 - Lecture 8 Information Systems Development...

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Lecture 8 Lecture 8 Information Systems Development
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Objectives What is Systems Development? Why is Systems Development difficult and risky? What are the five phases of SDLC? What are the trade-offs in requirements, cost, and time? Challenges in managing a systems development project Users’ role and responsibilities
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Developing Information Systems Individual system used by individual user is often developed by that user Multiple-users systems are developed by specialists Knowledgeable in systems development techniques Follow a detailed systems development process May take up to several years
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Systems Development Process of creating and maintaining information systems Requires more than programming or technical expertise Human relation skills Understanding of group dynamics Business knowledge
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Major Development Challenges Difficulty of determining requirements Requirements change as system develops Technology changes Scheduling and budgeting difficult to estimate Change as scope changes Diseconomies of scale Brook’s Law
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Systems Development Life Cycle SDLC – Classical process with five phases: Systems definition Management’s statement defines new system
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This note was uploaded on 04/18/2008 for the course BUS 2700 taught by Professor Rienzo during the Spring '07 term at Western Michigan.

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Lecture8 - Lecture 8 Information Systems Development...

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