Requirements Definition How we should (attempt to) specify exactly what is needed before we start designing
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Requirements Definition
validation verificationRequirements describe the necessary functions and features of the system we are to conceive, design,
implement and operate.
Performance
Schedule
Cost  Other Characteristics (e.g. lifecycle properties)
Requirements are often organized hierarchically  At a high level requirements focus on what should be achieved, not how to achieve it
Requirements are specified at every level, from the overall system to each hardware and software component.Critically important to establish properly
4Importance of Technical
Requirements Development  (2/2)Provides a baseline for verification
Organizations can develop their validation and verification plans much more productively from a good requirements document.
The requirements document provides a baseline against which compliance can be measured.
The requirements are also used to provide the stakeholders with a basis for acceptance of the
system.
Facilitates transfer of the product to
new users or new machines. Serve as a basis for later enhancement or alteration of the finished product.

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