SOFTWARE REQUIREMENTS: ARE THEY REALLY A PROBLEM? -> software_requirements_are_they_really_a_problem.pdf SOURCE: ICSE '76: Proceedings of the 2nd international conference on Software engineeringOctober 1976 Pages 61â68 Seite 62 - 2x Begriff "Waterfall" unter Anführungszeichen und in Bezug auf Royce's Artikel. "The same top-down approach to a series of requirements statements is explained, without the specialized military jargon, in an excellent paper by Royce [5]; he introduced the concept of the "waterfall" of development activities. In this approach software is developed in the disciplined sequence of activities shown in Figure I. Each of the documents in the early phases of the waterfall can be considered as stating a set of requirements. At each level a set of requirements serve as the input and a design is produced as output. This design then becomes the requirements set for the designer at the next level down."
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