Lecture3010-2

Lecture3010-2 - 1 LECTURE 2: LECTURE 2: Approaches to...

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Unformatted text preview: 1 LECTURE 2: LECTURE 2: Approaches to System Development Approaches to System Development ITEC 3010 Systems Analysis and Design, I [ Prof. Peter Khaiter ] 2 Lecture Outline Lecture Outline Systems Development Life Cycle Systems Development Life Cycle Phases and Activities in the SDLC Phases and Activities in the SDLC Variations of the SDLC models Variations of the SDLC models Selecting the appropriate model Selecting the appropriate model Methodologies Methodologies of the SDLC of the SDLC Traditional Approach to SDLC Traditional Approach to SDLC Information Engineering Approach to SDLC Information Engineering Approach to SDLC Object-Oriented Approach to SDLC Object-Oriented Approach to SDLC Rapid Application Development Rapid Application Development Current trends in the SDLC Current trends in the SDLC CASE Tools CASE Tools 3 Systems Development Life Cycle Systems Development Life Cycle Systems development life cycle Systems development life cycle (SDLC) Provides overall framework overall framework for managing systems development process Two main approaches to SDLC Predictive approach Predictive approach assumes project can be planned out in advance Adaptive approach Adaptive approach more flexible, assumes project cannot be planned out in advance All projects use some variation of SDLC 4 Predictive vs. Adaptive Approach to the Predictive vs. Adaptive Approach to the SDLC SDLC 5 Phases in SDLC Phases in SDLC Project planning Project planning initiate, ensure feasibility, plan schedule, obtain approval for project Analysis Analysis understand business needs and processing requirements Design Design define solution system based on requirements and analysis decisions Implementation Implementation construct, test, train users, and install new system Support Support keep system running and improve 6 Systems Development Life Cycle Systems Development Life Cycle 7 Systems Life Cycle Systems Life Cycle 8 Activities of Each SDLC Phase Activities of Each SDLC Phase Predictive or adaptive approach use SDLC Activities of each phase are similar Phases are not always sequential Phases can overlap Activities across phases can be done within an iteration 9 Activities of Project Planning Activities of Project Planning Define business problem and scope Produce detailed project schedule Confirm project feasibility Economic, organizational, technical, resource, and schedule Staff the project (resource management) S Launch project official announcement 10 Analysis Activities Analysis Activities...
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This note was uploaded on 09/28/2011 for the course IT 1 taught by Professor Khaiter during the Spring '11 term at ITC.

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Lecture3010-2 - 1 LECTURE 2: LECTURE 2: Approaches to...

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