Chapter 7 – Exam 3 – Flashcards
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In what SDLC stage do we determine the business needs for an information systems project?
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The design phase
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System design is the determination of the overall system architecture-consisting of a set of physical processing components, _______________, and the communication among them-that will satisfy the system's essential requirements.
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hardware, software, and people
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In the initial stage of design, what are business requirements converted into?
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System Requirements
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Where are the decisions stored that are made regarding the hardware and software that will be purchased to support the new system?
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Hardware and Software Specification
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The system inputs and outputs will be designed along with a plan or__________ of the way the system's features will be navigated.
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Roadmap
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_______ repository entries are updated to reflect specific technology decisions as they are made.
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CASE
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Which of the following lists indicates the correct ordering of deliverables in a system specification document?
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System Acquisition Weighted Alternative Matrix, Interface Design, Physical Data Model, Data Storage Design
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If on a limited time budget, the best way to be sure you remain efficient and effective in designing a system is to utilize the ____________.
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RAD and Timeboxing Techniques
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For efficiency purposes, it is wise to___________ when there is a basic software need to be satisfied.
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Purchase a packaged system
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Workarounds are:
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Not supported by a vendor who supplied the software
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Systems Integration refers to:
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Combining packaged software, the legacy system and new software
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What makes systems integration so difficult?
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Bringing legacy system data and new data together
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Another name for custom development might be:
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In-house development
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Which is probably true about packaged software
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The business need is common
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Outsourcing firms called _____________ supply software applications and/or software related services through the Internet.
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Application Service Providers (ASPs)
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A time and arrangements deal is considered:
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Very flexible
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Fixed-price contracts are considered:
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Very rigid
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Custom development is used when:
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The business need is unique
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Packaged systems are used when:
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The project has a project manager who can coordinate vendor efforts
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Application service providers might be best associated with:
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Outsourcing
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Outsourcing is used when:
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The business need is not core to the business
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Requests for Proposals (RFPs) serve what purpose?
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Solicit information from providers
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The following document is utilized with possible vendors on projects with smaller budgets, instead of sending a lengthy document to all possible vendors:
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Request for Information (RFI)
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Which of the following is normally NOT done in the design phase of the SDLC?
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Logical DFDs and ERDs are converted into physical DFDs and ERDs
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If (a) the business need is unique, (b) there is a desire to build in-house skills; (c) the time frame is flexible, it might be best to:
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Do in-house / custom development
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If (a) the business need is common; (b) the skills needed are not strategic; (c) the time frame is short; it might be best to:
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Purchase a software package
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One problem with using packages software systems is:
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The company has to accept the functionality that is provided with the system
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An advantage of custom development might be:
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You get a system that is tailored to the current business and meets specific needs
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Which is NOT a factor in choosing a development option?
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Data base normalization
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In terms of project management, which option might require excellent project management skills and a proven methodology?
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Doing custom development
