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Exam 10: Building Successful Information Systems

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Question 41

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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.

A) data flow diagram
B) flowchart
C) context diagram
D) conceptual data model

E) B) and D)
F) All of the above

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Question 42

Multiple Choice

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

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

E) B) and D)
F) B) and C)

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Question 43

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Which is a similarity between agile methodology and extreme programming (XP) ?

_____ 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.

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.

Which benefit of an information system is categorized as a tangible?

_____ refers to the trend of end users developing their own information systems with little or no formal assistance from an information systems team.

_____ uses an iterative process that repeats the design,development,and testing steps as needed,based on feedback from users.

_____ 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.

Describe joint application design (JAD).

Explain the importance of the formation of a task force during the planning phase of the systems development life cycle (SDLC).

_____ helps reduce the backlog in producing information systems and improve flexibility in responding to users' information needs.

The creation of a system specifications document indicates the beginning of the analysis phase of the systems development life cycle (SDLC).

Describe how information systems are implemented using a plunge conversion method.

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.

The_____ is an incremental development process that has less emphasis on team coding and more emphasis on limiting a project's scope.

The fundamental principle behind _____ is that the self-contained blocks of codes can be reused in a variety of different applications,allowing new business processes to be created from a pool of existing services.

In the context of information systems,which is a disadvantage of prototyping?

The _____ approach treats process and data independently and is a sequential approach that requires completing the analysis before beginning the design of information systems.

While using PERT and CPM techniques,if any of the activities along the critical path is delayed,the entire project is delayed.