Chapter 17-MIS 3305 – Flashcards
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legacy system
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an old system that is fast approaching or beyond the end of its useful life within an organization.
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implementation phase
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organization places the system into production so users can begin to perform actual business operations with it. In this phase, the detailed user documentation is created that highlights how to use the system and how to troubleshoot issues or problems. Training is also provided for the system users and can take place online or in a classroom.
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SDLC(systems development life cycle)
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overall process for developing information systems from planning and analysis through implementation and maintenance.
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7 phases to the SDLC
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-planning
-analysis
-design
-development
-testing
-implementation
-maintenance
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the number one reason for failed software implementation is unclear or missing business requirements..
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the business requirements drive the entire system
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planning phase of SDLC
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- brainstorm issues and identify opportunities for the organization
-prioritize and choose projects for development
-set the project scope
-develop the project plan
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analysis phase of the SDLC
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-gather the business requirement for the system
-define any constraints associated with the system
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design phase of the SDLC
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-design the technical architecture required to support the system
-design the system models
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development phase of SDLC
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build the technical architecture
- build the database
-build the applications
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testing phase of SDLC
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-write the test conditions
-perform system testing
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implementation of SDLC
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-write detailed user documentation
-provide training for the system users
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maintenance of SDLC
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-build a help desk to support the system users
-provide an environment to support system changes.
