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Question
Briefly discuss project management software.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:
A) phased installation.
B) single location installation.
C) parallel installation.
D) direct installation.
E) rotation installation.
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The organizational process of changing over from the current information system to a new one best defines:
A) reorganization.
B) physical design.
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User testing of a completed information system using real data in the real user environment refers to:
A) acceptance testing.
B) alpha testing.
C) beta testing.
D) system testing.
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The process of bringing together all of the modules that comprise a program for testing purposes is referred to as:
A) unity testing.
B) integration testing.
C) system testing.
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.
B) system testing.
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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Build routines are software modules that have been tested, documented, and approved to be included in the most recently created version of a system.
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The number of customers for a given system influences most of the costs associated with maintaining a system.
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Today's environment makes it possible to maintain and update external documentation as long as desired.
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A risk associated with the direct installation approach is that not all aspects of the new system can be compared to the old system.
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During alpha testing, users test a completed information system using simulated data.
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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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Testing specialists are responsible for developing test plans, establishing testing standards, integrating testing and development activities in the life cycle, and ensuring that test plans are completed.
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Which is the primary key(s) in the following STUDENT_GRADE(StudentID, CourseID, Grade)?
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If OrderNumber serves as the primary key in the ORDER relation and also appears as a nonkey attribute in the INVOICE relation, then OrderNumber is said to be a:
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The primary deliverable from logical database design is:
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B) design specifications.
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Key physical database design decisions typically do not include:
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Which of the following is NOT a key step in logical database design?
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C) Model how data flow through an information system, the relationships among the data flows, and how data come to be stored at specific locations.
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Designing the database for an Internet-based electronic commerce application differs significantly from the process followed when designing the database for other types of applications.
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Multiple key retrieval is possible with sequential file organization.
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Indexes should be used generously for databases intended primarily to support data retrievals.
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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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Each entity type in an ER Diagram becomes an attribute.
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The creation of a separate relation is sometimes required to represent a relationship.
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A relation is said to be in second normal form if the primary key consists of only one attribute.