May 2019
Beginner
352 pages
12h 26m
English
Content preview from Engineering Software Products: An Introduction to Modern Software Engineering
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4.3 System decomposition
The idea of abstraction is fundamental to all software design. Abstraction in software design means that you focus on the essential elements of a system or software component without concern for its details. At the architectural level, your concern should be on large-scale architectural components. Decomposition involves analyzing these large-scale components and representing them as a set of finer-grain components.
For example, Figure 4.6 is a diagram of the architecture of a product that I was involved with some years ago. This system was designed for use in libraries and gave users access to documents that were stored in a number of private databases, such as legal and patent databases. Payment was required for access ...
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