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A structure chart (SC) in software engineering and organizational theory is a chart which shows the smallest of a system to its lowest manageable levels.IRS (2008) "Configuration Management" In: IRS Resources Part 2. Information Technol Chapter 27. Configuration Management. Accessed at IRS.GOV 14 November 2008. No longer online 8 November 2009. They are used in structured programming to arrange program modules into a tree. Each module is represented by a box, which contains the module's name. The tree structure visualizes the relationships between modules.James Martin, Carma L. McClure (1988). Structured Techniques: The Basis for Case. Prentice Hall. p.56.
In structured analysis structure charts, according to Wolber (2009), "are used to specify the high-level design, or architecture, of a computer program. As a design tool, they aid the programmer in dividing and conquering a large software problem, that is, recursively breaking a problem down into parts that are small enough to be understood by a human brain. The process is called top-down design, or functional decomposition. Programmers use a structure chart to build a program in a manner similar to how an architect uses a blueprint to build a house. In the design stage, the chart is drawn and used as a way for the client and the various software designers to communicate. During the actual building of the program (implementation), the chart is continually referred to as "the master-plan".David Wolber (2009) " Structure Charts: Supplementary Notes Structure Charts and Bottom-up Implementation: Java Version. Accessed 8 November 2009
A structure chart is also used to diagram associated elements that comprise a run stream or thread. It is often developed as a hierarchical diagram, but other representations are allowable. The representation must describe the breakdown of the configuration system into and the lowest manageable level. An accurate and complete structure chart is the key to the determination of the configuration items (CI), and a visual representation of the configuration system and the internal interfaces among its CIs(define CI clearly). During the configuration control process, the structure chart is used to identify CIs and their associated artifacts that a proposed change may impact.
In practice, see figure, first it is checked if a structure chart has been developed already. If so an expert needs to review it to ensure it represents the current structure and if not, updates the chart where needed.
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