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- Non-functional_requirement abstract "In systems engineering and requirements engineering, a non-functional requirement is a requirement that specifies criteria that can be used to judge the operation of a system, rather than specific behaviors. This should be contrasted with functional requirements that define specific behavior or functions. The plan for implementing functional requirements is detailed in the system design. The plan for implementing non-functional requirements is detailed in the system architecture.Broadly, functional requirements define what a system is supposed to do and non-functional requirements define how a system is supposed to be. Functional requirements are usually in the form of "system shall do <requirement>", an individual action of part of the system, perhaps explicitly in the sense of a mathematical function, a black box description input, output, process and control functional model or IPO Model. In contrast, non-functional requirements are in the form of "system shall be <requirement>", an overall property of the system as a whole or of a particular aspect and not a specific function. The systems' overall properties commonly mark the difference between whether the development project has succeeded or failed.Non-functional requirements are often called qualities of a system. Other terms for non-functional requirements are "constraints", "quality attributes", "quality goals", "quality of service requirements" and "non-behavioral requirements". Informally these are sometimes called the "ilities", from attributes like stability and portability. Qualities, that is non-functional requirements, can be divided into two main categories: Execution qualities, such as security and usability, which are observable at run time. Evolution qualities, such as testability, maintainability, extensibility and scalability, which are embodied in the static structure of the software system.↑ ↑ ↑".
- Non-functional_requirement wikiPageExternalLink non-functional-requirements-be-here.
- Non-functional_requirement wikiPageExternalLink scc.pdf.
- Non-functional_requirement wikiPageExternalLink nonfunctional.html.
- Non-functional_requirement wikiPageExternalLink eide-fordyp05.pdf.
- Non-functional_requirement wikiPageExternalLink archive.php?id=113.
- Non-functional_requirement wikiPageExternalLink www.volere.co.uk.
- Non-functional_requirement wikiPageID "3069747".
- Non-functional_requirement wikiPageRevisionID "604601789".
- Non-functional_requirement hasPhotoCollection Non-functional_requirement.
- Non-functional_requirement subject Category:Software_requirements.
- Non-functional_requirement subject Category:Systems_engineering.
- Non-functional_requirement type Abstraction100002137.
- Non-functional_requirement type Act100030358.
- Non-functional_requirement type Duty101129920.
- Non-functional_requirement type Event100029378.
- Non-functional_requirement type GroupAction101080366.
- Non-functional_requirement type PsychologicalFeature100023100.
- Non-functional_requirement type Requirement105892651.
- Non-functional_requirement type SocialControl101123598.
- Non-functional_requirement type SoftwareRequirements.
- Non-functional_requirement type YagoPermanentlyLocatedEntity.
- Non-functional_requirement comment "In systems engineering and requirements engineering, a non-functional requirement is a requirement that specifies criteria that can be used to judge the operation of a system, rather than specific behaviors. This should be contrasted with functional requirements that define specific behavior or functions. The plan for implementing functional requirements is detailed in the system design.".
- Non-functional_requirement label "Non-functional requirement".
- Non-functional_requirement label "Requisito no funcional".
- Non-functional_requirement label "Requisito não-funcional".
- Non-functional_requirement label "متطلب لاوظيفي".
- Non-functional_requirement label "非功能性需求".
- Non-functional_requirement label "非機能要件".
- Non-functional_requirement sameAs Requisito_no_funcional.
- Non-functional_requirement sameAs 非機能要件.
- Non-functional_requirement sameAs Requisito_não-funcional.
- Non-functional_requirement sameAs m.08pc1k.
- Non-functional_requirement sameAs Q3254666.
- Non-functional_requirement sameAs Q3254666.
- Non-functional_requirement sameAs Non-functional_requirement.
- Non-functional_requirement wasDerivedFrom Non-functional_requirement?oldid=604601789.
- Non-functional_requirement isPrimaryTopicOf Non-functional_requirement.