Exam 11: Creating Information Systems

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When purchasing off-the-shelf applications, a selection process similar to the SLDC is used-the only difference being one additional phase in the process. What is the name of this phase and where does it occur in the process?

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Compile short list of vendors, it comes after the definition phase and before the build phase.

Name two advantage to purchasing off-the-shelf software

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a. Faster Roll-Out: purchased software dramatically reduces the time it takes to obtain the software and begin the implementation process.
b. Knowledge Infusion: software vendors proactively seek out best practices in order to code them into their applications.
c. Economically Attractive: purchasing off-the-shelf applications typically allows the firm to capitalize on the economies of scale by the vendor.
d. High Quality: large software houses with mature products will point to their significant testing budgets and large installed base of users for evidence that their applications have been put through the paces and thus all major problems have surfaced.

What are the three steps that occur during the implementation phase of the SDLC?

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D

Which of the following is not one of the advantages related to making your own systems?

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End-user development: The process by which an organization's non-IT specialists create software applications.

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Why is the Systems development Life Cycle methodology typically referred to as "the waterfall model"?

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The SDLC and prototyping methodologies are one and the same.

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Which stage of the SDLS typically results in a "go" or "no-go" decision?

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Name and describe the four approaches to software installation

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List and describe two risks of End-user development. Make sure to include at least two examples of each.

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Which of the following are not approaches to acquisition of information processing functionalities?

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Off-the-shelf systems enable infusion of knowledge in the organization

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Which of the following is not one of the advantages related to purchasing an off-the-shelf system?

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The Build phase of the SDLC is used to ensure that the software is properly integrated with the other components of the information system.

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Feasibility analysis is required to justify IT investments. Along with user requirements this is where user-managers have the greatest input. Briefly describe the purposes of the technical feasibility analysis, the economic feasibility analysis, and the behavioral feasibility analysis.

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A system analyst is a highly skilled IT professional who takes the system requirements document (i.e., what the applications should do) and designs the structure of the system (i.e., how the application will perform its tasks).

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We have discussed the notion of "make and buy" as a new trend that challenges the traditional "make vs. buy" paradigm. Briefly explain what we have meant by "make and buy" and provide an example.

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What are two advantages to custom developing and designing a software application?

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In which phase(s) do the system development life cycle (SDLC) and the system selection process differ most substantially?

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The IS department workers that experts in both technology and the business processes are called what?

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