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Functional requirements

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Definitions Edit

Functional requirements are

specific behavior (functions) or particular results of a system and its components, what the system is supposed to accomplish.[1]
[a] requirement that specifies a function that a system or system component must be able to perform.[2]
[t]he business, operational, and security features an organization wants included in a program.[3]
[c]haracteristics of the deliverable described in ordinary, non-technical language that is understandable to the customer. Customer plays a major, direct role in their development.[4]

References Edit

  1. Framework for Cyber-Physical Systems, at 12.
  2. IEEE, IEEE Standard Glossary of Software Engineering Terminology (IEEE Std 610.12-1990) (1990) (full-text).
  3. FFIEC IT Examination Handbook, Development and Acquisition, Appendix B: Glossary (full-text).
  4. California Office of Systems Integration, Definitions (full-text).

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