bis man

Chapter 1 Problems and Exercises Solutions (20 points)1. Why is it important to use systems analysis and design methodologies when building a system? Why not just build the system in whatever way seems to be “quick and easy”? What value is provided by using an “engineering” approach? (5 points)8. How might prototyping be used as part of the SDLC?Chapter 2 Problems and Exercises Solutions3. In the section on choosing off-the-shelf software, eight criteria are proposed for evaluating alternative packages. Suppose the choice was between alternative custom software developers rather than prewritten packages. What criteria would be appropriate to select and compare among competing bidders for custom development of an application? Define each of these criteria. (5 points)4. How might the project team recommending an ERP strategy justify its recommendation as compared with other types of design strategies? (5 points)

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