elearning.uminho.pt/bbcswebdav/pid-1359818-dt-content-rid-7046944_1/courses/2324.ME78ME7800006539_1/RAS-slidesEN-2-REQ-Requirements.pdf
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a requirement is anything that someone desires.
Requirements are seen as propertie
The requirements express the users necessities and restrictions that are placed on the system.
two alternatives:
user needs
system capacities
non-functional requirements
functional requirements
Requirements can be divided into:
depends on the point of view
Classifying
A requirement that for a stakeholder can be perceived as being functional, can be considered as non-functional for a different one.
deally, functional requirements must be independent of design and implementation aspects.
ot mention any technological issue.
A functional requirement describes a functionality to be made
available to the users of the system.
, if there are no contradictions among its elements;
coherent
complete
satisfied
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