functionalandnonfunctional-181210110239.pptx

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1. Functional and Non Functional By Naja m

2. Part of requirement Functional & Non-Functional Requirement.

3. Functional Requirement Describe the behavior of system Support users goals, tasks or activities Detailed and specified in the system design It contain unique name and number Helps to reader to understand why requirement is needed.

4. Functional Requirement Should include Description of data to be entered Description of operation performed by each screen Description of work flows performed by the system Who can enter the data into a system

5. Specification of Functional Requirement Purpose of the Document Scope Business Process Data and Integration Performance

6. Non Functional Requirement How system works? It make system more tangible Related the usability of system Judge the operation of system, rather than specific behaviors

7. Non Functional Requirement Should Include Usability Reliability Performance Supportability

8. Classification of Non Functional Requirement P rocess requirement Delivery requirement Implementation Requirement Standard Requirement Product Requirement Visibility Req. Reliability Req. Safety Req. Efficiency Req. Performance/Capacity Req . External Requirement Legal Constraints Economic Constraints Interoperability Req.