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Business Systems Analysis Problems and Exercises

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Problems and Exercise
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?
It is a good idea to use a system analysis and design methodologies when building a system because it creates a system that creates solutions for the entire business unit, instead of wasting resources patching the issues as they come.
8. How might prototyping be used as part of the SDLC?
Prototyping can be used within the SDLC methodology by falling into the testing phase of the system. Since prototyping is creating a version of the software, it could be used to test for bugs, and make upgrades as necessary.
3. Suppose the choice is 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.
• Cost – Comparing the cost of developing the same system in-house to cost of purchasing.
• Functionality – if the software will meet the function requirements.
• Vendor Support – Refers to whether the vendor can provide support, and how much.
• Viability of Vendor – How reputable the vendor is, and how long they will continue to be in business.
• Flexibility – Refers to how easy it is for you or vendor to customize the package
• Documentation – Includes user’s manuals as well as technical manuals.
• Response Time – How fast the vendor responds to issues.
• Ease of installation - How easy it is to install and setup the system
4. How might the project team recommending an ERP design strategy justify its recommendation as compared with other types of design strategies?
The benefits of the enterprise solutions approach include a single repository of data for all aspects of a business process and the flexibility of the modules. A single repository ensures more consistent and accurate data, as well as less maintenance. The modules are flexible because additional modules can be added as needed once the basic system is in place. Added modules are immediately integrated into the existing system.

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