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Diagram: basic waterfall flow

publish date2026/05/28 22:08:31.281193 UTC

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The following diagram illustrates the classic waterfall flow of phases.

Requirements Definition System and Software Design Implementation and Unit Testing Integration and System Testing Operation and Maintenance

What does this diagram emphasize about the waterfall model?

Correct Answer

Phases are arranged in a largely sequential, stepwise fashion.

Explanation

The diagram shows a cascading sequence of phases, highlighting the stepwise nature of the waterfall model.

Reference

Software Engineering, Ian Sommerville, 9th edition


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