Week 5 Requirements Engineering1

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Question		Answer
What are requirements? start learning		Descriptions of what the system should do: the services that it provides and the constraints on its operation
what are user requirments? start learning		features the user needs the software product to support
What are system requirements? start learning		things the software needs to function
what are functional requirements? start learning		defines a function of a system or its component. A function is described as a set of inputs, the behavior, and outputs.
what are non functional requirements? start learning		a requirement that specifies criteria that can be used to judge the operation of a system, rather than specific behaviors. They are contrasted with functional requirements that define specific behavior or functions.
What is requirements engineering? start learning		The process of gathering, analysing, documenting, and checking requirements
what are teh 4 stages of Requirements engineering? start learning		▶ Feasibility study ▶ Requirements elicitation ▶ Requirements specification ▶ Requirements validation
What is a feasibility study? start learning		an assessment of the practicality of a proposed plan or method.
What is requirments elicitation? start learning		the practice of collecting the requirements of a system from users, customers and stakeholders. AKA "requirement gathering" Commonly used elicitation processes are the stakeholder meetings or interviews.
Whata re the 4 stages of Requirements Elicitation? start learning		1) discovery and understanding 2) clasification adn organisation 3) prioritisation and negotiation 4) documenttation
what are the main methods of requirements elicitation? start learning		interviews, focus groups, scenarios, use cases, ethnography
what is ethnography? start learning		wtaching how people work and understanding based on observation

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