chapter3 - Requirements Determination Chapter 3 Learning...

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Requirements Determination Chapter 3
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Learning Objectives Introduce and discuss the requirements determination strategies: BPA BPI BPR Discuss how to select the appropriate strategy and develop an analysis plan Discuss techniques for information/requirements gathering: Interviews JAD Questionnaires Document Analysis Observation
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Requirements Determination What is requirements determination? What is a requirement? Functional requirements Nonfunctional requirements
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What is a business process? Example: store would have following processes: For ordering products Selling to customers Accepting customer returns, etc.
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Steps Understand current system Why? Identify improvements Develop concept for new system
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Strategies Business Process Automation (BPA) Business Process Improvement (BPI) Business Process Reengineering (BPR)
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Business Process Automation Automate, but not to make major changes to underlying business processes Rather, make existing business processes more efficient (speed up or simplify a person’s work) Examples: Computerize existing manual business processes Add computer support to processes Improve existing computer systems
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BPA continued… Understand current system Spend considerable time – why???
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