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Analysis and Design
What is System Analysis and Design?
System development can generally be thought of having two major components: systems
analysis and systems design.In System Analysis more emphasis is given to understanding
the details of an existing system or a proposed one and then deciding whether
the proposed system is desirable or not and whether the existing system needs
improvements. Thus, system analysis is the process of investigating a system,
identifying problems, and using the information to recommend improvements to the
system.
Stages in building an improved system
The above figuer shows the various stages involved in building an improved
system.
System design is the process of planning a new business system or one to replace
or complement an existing system.
Analysis specifies what the system should do. Design states how to accomplish
the objective.
After the proposed system is analyzed and designed, the actual implementation
of the system occurs. After implementation, working system is available and it
requires timely maintenance. See the fugure above.
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