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In situations where an information system needs to be designed from scratch, the SDLC model is _____.


A) usable only with modifications
B) difficult to apply
C) especially challenging
D) particularly suitable

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Discuss the key features of extreme programming (XP).

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Answers will vary. XP uses incremental s...

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Describe joint application design (JAD).

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Answers will vary. JAD is a collective a...

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During the implementation phase of the systems development life cycle (SDLC) , _____.


A) a team assesses how a system is working and takes steps to keep the system up and running
B) analysts define the organizational problem and generate alternatives for solving it
C) analysts choose the solution that is the most realistic and offers the highest payoff for the organization
D) the solution is transferred from paper to action, and a team configures the system and procures components for it

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In _____ conversion of the implementation phase of the systems development life cycle (SDLC) , an old system is stopped and a new system is implemented.


A) parallel
B) phased-in-phased-out
C) plunge
D) pilot

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Explain feasibility and its importance in designing a successful information system.

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Answers will vary. Feasibility is the me...

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Which is a difference between the systems development life cycle (SDLC) and extreme programming (XP) ?


A) The SDLC model has a separate planning and analysis phase, whereas XP combines both the phases into one phase.
B) Developers following the SDLC model cannot go on to the next phase until the current phase is finished, whereas in XP, developers can move to any phase from the current phase.
C) In the SDLC model, changes cannot be made to a system once it is delivered to the user, whereas the XP method delivers the system to the users and then make changes suggested by the user.
D) The SDLC model develops an entire system at once, whereas XP uses incremental steps to improve an information system's quality.

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With the _____  outsourcing approach, an organization chooses an outsourcing company in a neighboring country, such as when a U.S. organization chooses a company in Canada or Mexico.


A) onshore
B) nearshore
C) offshore
D) farshore

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_____ is a method for developing software applications and information system projects in which a project is divided into smaller functions and developers cannot go on to the next phase until the current phase is finished.


A) Extreme programming
B) Rapid application development
C) Service-oriented architecture
D) Joint application design

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In the design phase of the systems development life cycle (SDLC) , the _____ design indicates hardware and software, such as specifying Linux servers and Windows clients.


A) theoretical
B) physical
C) conceptual
D) logical

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Explain why intangible benefits of an information system are difficult to quantify.

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Answers will vary. Assessing intangible ...

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Gathering _____ is part of the maintenance phase of the software development life cycle (SLDC) .


A) new funding
B) requests for proposals (RFPs)
C) competitive data
D) performance data

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During the _____ phase of the systems development life cycle (SDLC) , a team assesses how a system is working and takes steps to keep the system up and running.


A) planning
B) implementation
C) maintenance
D) design

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The systems development life cycle (SDLC)model is appropriate in situations when the problem under investigation is not well defined.

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The object-oriented approach combines process and data analysis, and the line between analysis and design is so thin that analysis and design seem to be a single phase instead of two distinct phases.

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In the _____ phase of the systems development life cycle (SDLC) , a problem is defined and alternatives are generated for solving it.


A) planning
B) requirements-gathering and analysis
C) designing and prototype-development
D) implementation

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During the maintenance phase of the software development life cycle, the information system is ______.


A) considered unusable
B) being redesigned
C) no longer a concern
D) operating

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During the maintenance phase of the software development life cycle, the maintenance team takes steps to _____.


A) design an economically feasible system
B) gather requirements and analysis
C) keep the system up and running
D) find out what users need to perform their jobs

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During the maintenance phase of the SDLC, the team gathers information on ______.


A) how to redesign the system
B) whether the system is more expensive than the previous system
C) whether the system is meeting its objectives
D) when the system will need to be replaced

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In the SDLC model, each phase's output becomes the _______ for the next phase.


A) model
B) program
C) input
D) example

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