Chapter 15 Systems Development I. Systems Development Life Cycle (SDLC). 1. Planning (Chapter 14) 2. Analysis. Initial investigation Talk to users; is there a real problem? Submit preliminary report Detailed investigation Feasibility study Technical Economic Operational
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Figure 15.3 Estimated benefits and costs of an IS ($)
Figure 15.10 Strategies used to convert from one IS to another
Figure 15.12 In prototyping, refinement of the system continues until users are satisfied.
Figure 15.13 When to prototype and when not to prototype