Information Technology Reference
In-Depth Information
Systems Development:
Design, Implementation,
Maintenance, and Review
CHAPTER
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13
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PRINCIPLES
LEARNING OBJECTIVES
Designing new systems or modifying
existing ones should always help an
organization achieve its goals.
State the purpose of systems design and
discuss the differences between logical and
physical systems design.
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Describe some considerations in design
modeling and the diagrams used during object-
oriented design.
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Discuss the issues involved in environmental
design.
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Define the term RFP and discuss how this
document is used to drive the acquisition of
hardware and software.
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Describe the techniques used to make systems
selection evaluations.
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The primary emphasis of systems
implementation is to make sure that the
right information is delivered to the right
person in the right format at the right time.
State the purpose of systems implementation
and discuss the activities associated with this
phase of systems development.
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List the advantages and disadvantages of
purchasing versus developing software.
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Discuss the software development process
and some of the tools used in this process,
including object-oriented program develop-
ment tools.
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Maintenance and review add to the useful
life of a system but can consume large
amounts of resources. These activities can
benefit from the same rigorous methods
and project management techniques
applied to systems development.
State the importance of systems and software
maintenance and discuss the activities
involved.
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Describe the systems review process.
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