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CHAPTER 2 : PROJECT METHODOLOGIES AND PROCESSES, MAINTENANCE AND SUPPORT,…
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:star: Changes to the system, in the form of maintenance and enhancements, are often requested to fix any discovered error(eg: bugs) within the system to add any features that were not incorporated into the original design
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:star: Involves identifying and responding to a problem or opportunity and incorporates the project management and system development processes and activities.
:star: Investigates the problem or opportunity more fully. The specific needs and requirements for the news system are identified and documented during this phase
:star: The project team uses the requirements and " to be" logical models created during the Analysis phase as input for designing the architectecture to support the new information system
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:star: The project team creates the actual product. Product implementation can be an exiting phase for the customer, because their idea for the project becomes something tangible. Project developers begin building and coding the software.
involves understanding what needs to design and what its function, purpose, etc.
requirement specification from the first phase are studied in this phase and system design is prepared
input from system design, the system is first developed in small programs called units, which are integrated into the next phase
the units developed in the implementation phase are integrated into a system after testing of each units
once the functional and non functional testing is done, the product is deployed in the customer environment or released into the market.
after installation and involves making modification to the system or an individual component to alter attributes or improves performance
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