organized in a way suitable for implementation within the constraints of a physical environment (e.g., computer, database, facilities). Requirements in design phase : Preconditions Functional requirements Operational requirements Design limitations Preconditions form the context within which the project must be conducted. Examples include legislation, working-condition regulations and approval requirements. These requirements cannot be influenced from within the project.
Functional requirements are requirements that have to do with the quality of the project result (e.g. how energy-efficient must an automobile be or how many rooms must a new building have?). Operational requirements involve the use of the project result. For example, after a software project has been realized, the number of malfunctions that occur must be reduced by ninety percent. Finally, design limitations are requirements that involve the actual realization of the project. For example, the project cannot involve the use of toxic materials or international partners for whom it is unclear whether they use child labour . References:
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- Fall '14
- Requirements analysis, ninety percent, design phase, project result