Exam 11: Systems Development and Procurement

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What is rapid application development? Explain.

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A common approach used in iterative methods that helps software developers bring an application to life more quickly is called rapid application development. Developers create a software prototype that they can share with users and get their feedback to make corrections and improvements before a lot of effort is spent building a fully functioning version. End users are much more helpful when they can see a prototype even if most of it doesn't actually work. The approach works well with the overlapping phases typical of iterative development, and it is often used in other software development approaches as well.

Discuss the testing phase of the systems development life cycle.

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Testing goes on during the development phase, as individual modules are completed. When the system has been completed, it undergoes much more rigorous testing. Each test mimics events the system will handle when it goes live. The test cases are carefully documented so the developers can make corrections in case of any failures. Software tools help tremendously with this testing as well. Other software tools can check for security holes, compliance with accessibility regulations, performance under loads, broken web links, and more.

A disadvantage of custom system development is that it involves high overall cost and requires more time to go live.

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Which of the following is a drawback of the waterfall method?

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In the ________ method, tasks are not sequenced according to the SDLC and many activities occur simultaneously.

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Which of the following is used to handle increased Web site visits?

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________ is an important part of the planning process which examines whether an initiative is viable from technical, financial, and legal standpoints.

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What is a waterfall method? Discuss how it is different from the iterative method.

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Screen attractiveness is a component of ________.

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A ________ describes the new system in broad, high-level terms, and interested vendors send responses describing their products and services.

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What is a feasibility study? Explain.

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Which of the following should be undertaken in a design phase?

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An agile method that focuses on frequent releases of workable software and time boxes for development is known as ________.

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A process diagram traces how each process operates from beginning to end in a way that is clear to all the stakeholders.

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Which of the following functions does the version control software perform?

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Johanna Taylor, a developer at the newly established Leo Technologies, is developing a Web site for the company. Which of the following phases is she working on if she is making decisions on increased bandwidth, size, and capacity issues which will help handle growing amounts of visits by clients and customers?

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________ involves programmers checking the functionality of small modules of code during the development phase.

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The ________ phase is a technical blueprint for the whole system which captures all aspects of how a system's components will function together to accomplish goals, using descriptions and models.

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________ is a driver of information systems development which touches on security, privacy, safety, and regulatory compliance.

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A ________ is sent out to a large number of potential vendors to serve as an initial market scan of the options.

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