Software Engineering. Software Processes. Software Processes. Coherent sets of activities for Specifying , Designing , Implementing and Testing software systems. Topics covered. Software process models Process iteration Software specification Software design and implementation
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Coherent sets of activities for
This is how the problem is solved now
The developers understood it in that way
The requirements specification was defined like this
This is how the problem was solved before.
This is how the program is described by marketing department
This, in fact, is what the customer wanted … ;-)
That is the program after debugging
The drawback of the waterfall model is the difficulty of accommodating change after the process is underway
Waterfall model describes a process of stepwise refinement
But software is different :
Until adequate system developed.
Embodied in the ‘Cleanroom’ approach (which was originally developed by IBM)to software development
This approach is becoming more important but still limited experience with it
The process of establishingwhat services are required and the constraints on the system’s operation and development
The process of converting the system specification into an executable system
Systematic approaches to developing a software design
Translating a design into a program and removing errors from that program
Software is inherently flexible and can change.
Case technology has led to significant improvements in the software process though not the order of magnitude improvements that were once predicted
Classification helps usunderstand the different types of CASE tools and their support for process activities