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Question
The analysis technique that finds the amount of time required for the cumulative cash flow from a project to equal its initial and ongoing investment is referred to as:A) return on investment (ROI).
B) break-even analysis (BEA).
C) net present value (NPV).
D) future value (FV).
E) currency rate analysis (CRA).
Answer
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Related questions
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All of the following are types of user documentation EXCEPT:
A) release description.
B) reference guide.
C) acceptance sign-off.
D) entity-relationship diagrams.
E) user's guide.
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Changing over from the old information system to a new one by turning off the old system as the new one is turned on best describes:
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B) single location installation.
C) parallel installation.
D) direct installation.
E) rotation installation.
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B) integration testing.
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D) implementation.
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Testing each module alone in an attempt to discover any errors that may exist in the module's code is referred to as:
A) unit testing.
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C) stub testing.
D) singular testing.
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A primary objective of using automated tools for systems development and maintenance is to change radically how code and documentation are modified and updated.
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System testing is the process of bringing together all of the modules that a program comprises for testing purposes.
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Walkthroughs are a very effective method for identifying errors in code.
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The primary deliverable from logical database design is:
A) normalized relations.
B) design specifications.
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Q:
Key physical database design decisions typically do not include:
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Sequential files are practical for random row retrievals.
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View integration is the last step of logical database design.
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A recursive foreign key is a foreign key in a relation that references the primary key value of the same relation.
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For a binary one-to-one relationship between two entities, A and B, the primary key of A becomes a foreign key in B and the primary key in B becomes a foreign key in A.
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A relation is said to be in second normal form if the primary key consists of only one attribute.