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Core idea of the waterfall model
publish date: 2026/05/28 22:08:30.511796 UTC
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The waterfall model is one of the earliest and most influential software process models. It structures development into a sequence of distinct phases, each producing documents or artifacts that feed into the next.
Which statement best describes the core idea of the waterfall model?
Correct Answer
Development is organized into sequential phases with limited overlap.
Explanation
The waterfall model structures development into ordered phases (requirements, design, implementation, testing, operation), with each phase largely completed before the next begins.
Reference
Software Engineering, Ian Sommerville, 9th edition