Discussion
........................ model takes the fundamental process activities of specification, development, validation and evolution and represents them as separate process phases such as requirements specification, software design, implementation, testing and so on.
Answer: A
This describes the waterfall model.
The waterfall model treats the fundamental activities of specification, development, validation and evolution as separate, sequential phases: requirements specification, software design, implementation, testing and so on, each normally completed before the next begins.
Incremental development interleaves these activities, delivering the system as a series of versions. Reuse-oriented software engineering builds systems mainly from existing components. A modular approach is a design principle, not a process model.
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