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spiral model comparison table

Subject	follow	suggest	has definition	have steps	is a synonym of	is a kind of
process model			A general approach for organizing a project into activities; an aid to thinking, not a rigid prescription of the way to do things		software process model	subject
spiral model	principles: prototyping iteration risk analysis the idea that maintenance is simply a type of on-going development	that the first thing to do before embarking on each new loop of the spiral is to decide what are the major difficulties to be handled	An incremental process model that explicitly embraces prototyping and an iterative approach to software development	a project undergoes a large number of cycles, starting with a small prototype each loop of the spiral follows a mini-waterfall process before each cycle of the spiral ends, a review is held subsequent cycles become official releases the cycling only ends when the system is finally retired		process model

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