Exam 3: Software Development: Processes, Metrics, and Management

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BPR defines business goals,identifies and evaluates existing business processes,and creates revised business processes that better meet current goals.The software reengineering process activities have as their intent the creation of new versions of existing programs that exhibit higher quality and higher maintainability.

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-Define a system state in terms of the objects manipulated by the function
-Using a simple mathematical function as an example,define the data invariant by writing data relations that will not change during the execution of the function
-Write the precondition and postcondition for the function using mathematical notation to show the system state before and after the

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By defining how the software to be built fits into a larger systems,product,or business context and the constraints imposed by the context.Determining what visible objects the customer expects to see as output and what input objects are required to produce them.Determining the software function needed transform input to output and any special performance characteristics.Attempting to bound all information quantitatively,when possible,and descriptively,when numbers cannot be used.