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tion(變種 ) of the waterfall model that demonstrates(示范 ) how the testing activities are related to analysis and design Requirements Analysis System Design Program Design Coding Unit amp。 Inte gration Testing System Testing Acceptance Testing Operation amp。 Maintenance SOFTWARE PROCESS MODELS ? Prototyping Model(原型模型) revise prototype user/ customer review List of Revisions(修正 ) List of Revisions List of Revisions Prototype Requirements Prototype Design Prototype System Test System Requirements (sometimes informal or inplete) Delivered System The prototyping model SOFTWARE PROCESS MODELS ? Operational Specification(操作規(guī)范) Execute(執(zhí)行 ) and Revise Operational Specification (problemoriented) Transformed Specification (implementation (實(shí)施 )oriented) Test System Requirements (sometimes informal or inplete) Delivered System The operational specification model SOFTWARE PROCESS MODELS ? Transformational Model(轉(zhuǎn)換模型) Sequence of transformation plus rationale for them Compare with requirements。 update as needed Formal Specification Transform N Test System Requirements (sometimes informal or inplete) Delivered System The transformational model. Transform 2 Transform 1 Formal Development Record S