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2 ISA&D7‏/8‏/2013 Information Gathering Prototypes Structured Walkthrough

3 ISA&D7‏/8‏/2013 Distribute questionnaires to stakeholders Review existing reports Interview and discuss processes with users Observe and document business processes Build prototypes

4 ISA&D7‏/8‏/2013 We need to obtain information that will enable us to build the logical model of the new IS What Are the Business Processes? How is the Business Processes Performed? What Information is required?

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6 ISA&D7‏/8‏/2013 Serves two purposes: Provides a preliminary understanding of processes involved in a company Can be useful in conjunction with interviews Can be used to develop interview questions

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8 ISA&D7‏/8‏/2013 Team members meet with individuals or groups of users One of the most effective ways to understand business functions and rules Can be time consuming and resource expensive To be effective you should be organized in three areas: (1) preparing for the interview (2) conducting the interview (3) following up the interview

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11 ISA&D7‏/8‏/2013 Varies from office walkthroughs to performing actual tasks Not necessary to observe all processes at same level of detail May make users nervous, so use common sense Can document workflows with UML activity diagrams

12 ISA&D7‏/8‏/2013 Prototype is an initial working model of a larger, more complex system Used for many purposes: To test feasibility To help identify processing requirements To compare different design and interface alternatives

13 ISA&D7‏/8‏/2013 Characteristics of Prototypes: Operative: a prototype should be a working model, with some real functionality Focused: a prototype should be focused on a single objective Quick: the prototype should be built and modified quickly

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15 ISA&D7‏/8‏/2013 Thank you ??????