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What factors does a steering committee consider when evaluating different system designs?

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How well does the design meet organizati...

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A part of the conceptual design phase is the evaluation of design alternatives.The design team should identify a variety of design alternatives and evaluate them based on several standards.Who is responsible for approving the final design that best meets the organization's needs?


A) IS management
B) the end-users of the system
C) the steering committee
D) the system analyst design team

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

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Performing revisions to existing program code is an example of


A) debugging.
B) structured programming.
C) program maintenance.
D) hierarchical program design

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

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What are the controls design considerations in a new AIS?

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Controls design ensures the effectivenes...

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What are the eight basic steps used to develop and test software programs?

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Generally speaking,developers use an eight-step method to develop and test software programs.As part of the systems implementation phase of the SDLC,it is important that these steps faithfully are followed by the development team.1)The team should consult with users and write an agreement about software requirements as a way to determine user needs.2)Next,a development plan should be created and documented.3)The overall approach and major processing tasks should be identified on a high level before proceeding to levels of greater detail.At that point the activity of writing program instructions can begin.4)After program code has been written,the next step is to test the program.This can be achieved in part through debugging and desk checking,along with other types of testing.5)The next thing to be done is to document the program,since this will explain how the program works and assist analysts in correcting and resolving errors.6)Training program users is the beginning of the end of the test phase.Program documentation developed in step five will be used at this time.7)The seventh step is to install and use the system.At this point the program can be used and program maintenance can take place as needed.8)Use and modify the system.Revise existing programs (called program maintenance).

Effective AIS training involves


A) instruction on new hardware and software.
B) orientation to new policies and operations.
C) planning and scheduling so it occurs before system testing and conversion.
D) All of the above are correct.

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

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What is the name for the type of testing where copies of real transaction and file records are used rather than hypothetical ones?


A) acceptance testing
B) debugging
C) desk checking
D) program walk-through

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

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Walk-throughs are system tests that involve


A) managers observing the operation of the system by "walking through" the IT department.
B) processing hypothetical data that are designed to identify errors in the system.
C) processing copies of real transactions in order to determine whether or not the system meets requirements.
D) a thorough review of the procedures and program logic of the system.

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

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Test transaction processing involves


A) managers observing the operation of the system by "walking through" the IT department.
B) processing hypothetical data that are designed to identify errors in the system.
C) processing copies of real transactions in order to determine whether or not the system meets requirements.
D) a thorough review of the procedures and program logic of the system.

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

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Structured programming divides the program into small,well-defined modules.Which of the following statements below is correct?


A) Modules interact with each other directly and also through the control module.
B) Modules interact with each other directly.
C) Modules interact with only the control module.
D) Modules primarily,but not always,interact with the control module.

E) All of the above
F) None of the above

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Developing a general framework for implementing user requirements and solving problems identified in the analysis phase occurs in which phase of the SDLC?


A) conceptual systems design
B) implementation and conversion
C) operations and maintenance .
D) physical design

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

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A

Which of the following activities does not pertain to the area of data conversion?


A) changing the data content
B) changing the database
C) changing the file format
D) moving files to a new medium

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

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What is a phase-in conversion?


A) both the old and new AIS are operated simultaneously
B) elements of the old AIS are replaced gradually with elements of the new AIS
C) the new AIS is introduced into one part of the organization,such as a branch
D) the old AIS is terminated as the new AIS is introduced

E) A) and C)
F) A) and D)

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The implementation planning and conversion phase of the SDLC incorporates many systems implementation elements.One such element is the development and testing of software programs.One process used to uncover and eliminate program errors is known as


A) black box testing.
B) debugging.
C) desk checking.
D) white box testing.

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

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Control design considerations are important to the physical systems design phase of the SDLC.One concern of control design relates to the pre-numbering of documents to prevent errors or intentional abuse.What is the control design consideration related to this concern?


A) accuracy
B) audit trail
C) numerical control
D) validity

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

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Which consideration listed below applies to file and database design?


A) form size
B) format
C) medium
D) organization and access

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

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At the end of the conceptual design phase the development team prepares a conceptual systems design report.What item below is not considered a rationale for issuing the report?


A) it can be used to guide physical systems design activities
B) it communicates how management and user information needs will be met
C) it discusses the design alternatives that were not selected for the project
D) it helps the steering committee assess system feasibility

E) A) and D)
F) A) and C)

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What are the different approaches to system conversion?

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Direct conversion is used when the old system is of no value or is not comparable to the new system.This type of conversion carries a high risk of failure.Parallel conversion protects the company from error,but it is costly and stressful to process transactions twice.Phase-in conversion results in gradual changes over time that also allows resources to be acquired over time.However,creating temporary interfaces is costly and gradual changes take time and come at greater expense.Pilot conversion implements the system in just one part of the organization that allows problems to be corrected before the system is completely adopted.However,the costs of interfaces and running both systems are a disadvantage.

The physical design stage of the SDLC is the point at which the broad,user-oriented AIS requirements of conceptual design are translated into detailed specifications that are used to code and test the various computer programs.What is the most time-consuming activity found in this phase,or even in the entire SDLC process?


A) controls design
B) input design
C) output design
D) program design

E) All of the above
F) A) and C)

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Which of the following is the most costly and least risky method of converting from one system to another?


A) Direct
B) Parallel
C) Pilot
D) Phase-in

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

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