The agreed set of requirements the software must meet: functions, interfaces, performance, power, security, safety, supported platforms and constraints, each uniquely identified and verifiable.
Requirements Work product in the Firmware and software stack lifecycle, the Medical electronics and medical device chips lifecycle and the Automotive SPICE process and assessment lifecycle
It defines what the software must do so architecture, testing and acceptance share a common reference. Features argued about late, tests that cannot show completeness and regulated products, such as medical and automotive, that cannot show traceability follow when it is missing.
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