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Overview of System Development Lifecycle and UML in Health IT

Learn about Systems Development Lifecycle (SDLC) phases, UML structure and behavior diagrams, and development strategies in Health Information Technology. The material explores traditional, internet, outsourcing, and prototyping methods.

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Overview of System Development Lifecycle and UML in Health IT

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  1. Component 4: Introduction to Information and Computer Science Unit 9: Components and Development of Large Scale Systems Lecture 3 This material was developed by Oregon Health & Science University, funded by the Department of Health and Human Services, Office of the National Coordinator for Health Information Technology under Award Number IU24OC000015.

  2. Topic II: Systems Development Lifecycle (SDLC) Systems Planning Systems Analysis Systems Design Systems Implementation Systems Support and Security Health IT Workforce Curriculum Version 2.0/Spring 2011

  3. Object Modeling • Overview, terms and concepts • Unified Modeling Language (UML) Health IT Workforce Curriculum Version 2.0/Spring 2011

  4. UML Structure Diagrams • Class • Object • Composite Structure • Package • Component • Deployment Health IT Workforce Curriculum Version 2.0/Spring 2011

  5. UML Behavior Diagrams Use Case Activity State Chart State Machine Health IT Workforce Curriculum Version 2.0/Spring 2011

  6. UML Interaction Diagrams Sequence Timing Communication Health IT Workforce Curriculum Version 2.0/Spring 2011

  7. Logical vs. Physical Models • Logical model • Physical model • Four-model approach: Health IT Workforce Curriculum Version 2.0/Spring 2011

  8. Development Strategies • Traditional • Internet • Outsourcing • Make or Buy • Prototyping Health IT Workforce Curriculum Version 2.0/Spring 2011

  9. Traditional Development • Systems Development Life Cycle (SDLC) • Rapid Application Development (RAD) • Joint Application Development (JAD) Health IT Workforce Curriculum Version 2.0/Spring 2011

  10. Internet (1 of 2) • Web-based Development • Wikis • Learning Management Systems (LMS) Health IT Workforce Curriculum Version 2.0/Spring 2011

  11. Internet (2 of 2) Software as a Service (SaaS) Web 2.0 Cloud Computing Health IT Workforce Curriculum Version 2.0/Spring 2011

  12. Outsourcing • Application service providers (ASP) • Internet business services • Offshore outsourcing Health IT Workforce Curriculum Version 2.0/Spring 2011

  13. Make or Buy • Develop software in-house • Purchase a software package • Customize a software package Health IT Workforce Curriculum Version 2.0/Spring 2011

  14. Prototyping • Modern, engineering-based approach to design. • Replaces the paper-and-pencil physical design. • An iterative process between designer and users. • A prototype is a working model that is not quite ready for prime time. Health IT Workforce Curriculum Version 2.0/Spring 2011

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