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Component 4: Introduction to Information and Computer Science

Component 4: Introduction to Information and Computer Science. Unit 9: Components and Development of Large Scale Systems Lecture 3.

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Component 4: Introduction to Information and Computer Science

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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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