Requirements Modelling Technique Kegiatan terbaru situs unk1546

Requirements Modelling

Technique

Steps

• _{Identify HW system/interface} • _{Identify Data}

• _{Identify Controls}

• _{Identify Terminators}

• _{Draw DCD (Data context Diagram)} • _{Draw CCD (Control Context Diagram)}

• _{Decompose DCD into DFDs (Data Flow Diagram)} • _{Assign data to each DFD (Process)}

Steps

Steps

•

_{Identify Data}

– _{Shaft rotation} – _{Fuel quantity} – _Displays

Steps

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_{Identify Control}

– _{Braking status} – _{Top gear status}

Steps

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_{Identify Terminators}

– _Driver

– _{Throttle Mechanism} – _Brake

– _Engine

Steps

Steps

Steps

• _{Decompose CCD into DFDs}

– _{There are 4 Process Bubbles: Measure Miles, Measure}

Steps

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_{Assign Data to each DFD}