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Exam 10: Building Successful Information Systems

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Question 51

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During the _____ of the systems development life cycle (SDLC) model, an information systems designer must define the problem an organization faces, taking care not to define symptoms rather than the underlying problem.

A) planning phase
B) requirements-gathering phase
C) design phase
D) implementation phase

E) None of the above
F) C) and D)

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Question 52

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Discuss the different parts in the design phase of the systems development life cycle (SDLC).

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Answers will vary.During the design phas...

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Question 53

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Which of the following statements is true of Critical Path Method (CPM) ?

Discuss the five capabilities of computer-aided systems engineering (CASE) tools.

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

Describe joint application design (JAD).

_____ are employees who will use an information system regularly and can offer important feedback on the system's strengths and weaknesses.

During the _____ of the systems development life cycle (SDLC) , an information system is operating, enhancements and modifications to the system have been developed and tested, and hardware and software components have been added or replaced.

In the context of structured systems analysis and design (SSAD) models, a _____ is a tool that helps analysts understand the data requirements an information system must meet by defining data elements and showing the associations between them.

Normally, a task force for the planning phase of the systems development life cycle (SDLC) includes only representatives from the IT department and the top management.

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

Explain how tangible benefits of an information system can be quantified to assess its economic feasibility.

_____ is a series of well-defined phases performed in sequence that serves as a framework for developing an information system or project. ​

_____ is a philosophy and a software and system development methodology that focuses on the development, use, and reuse of small, self-contained blocks of codes to meet the software needs of an organization.

In the planning phase of the systems development life cycle (SDLC) , _____ assesses an information system's costs and benefits.

_____ is concerned with whether a new system can be completed on time.

During the design phase of the systems development life cycle (SDLC) , the _____ is created for a specific platform, such as choosing Dell servers running Ubuntu Linux and Java for the programming language.

In the context of structured systems analysis and design (SSAD) models, a _____ is a modeling tool that helps break down a complex process into simpler, more manageable, and more understandable subprocesses.

Consider the following Program Evaluation Review Technique (PERT) network. The activities and their respective durations are given in the following table. Which of the following paths of the given network is the critical path? $\begin{array}{|l|l|}\hline {\text { Activity }} &{\text { Duration(days) }} \\\hline \mathrm{A} & 5 \\\hline \mathrm{B} & 7 \\\hline \mathrm{C} & 15 \\\hline \mathrm{D} & 10 \\\hline \mathrm{E} & 13 \\\hline \mathrm{F} & 9 \\\hline \mathrm{G} & 6 \\\hline \mathrm{H} & 10 \\\hline \mathrm{I} & 11 \\\hline\end{array}$

A _____ is a written document with detailed specifications that is used to appeal bids for equipment, supplies, or services from vendors. ​