An important part of Software Engineering is the design of the software, therefore, it is necessary to recapitulate and know several concepts related to the subject.
These four elements are essential to creating a good design model, which is a blueprint for the implementation of a software system.
According to Chapter 9 of "Software Engineering: A Practitioner's Approach", the four elements of a design model are: Abstraction, Refinement, Modularity and Architecture. What do these concepts mean?
Indeed the four elements of the design model are : Abstraction, Refinement, Modularity and Architecture.
• Abstraction - Focusing on the most important aspects of the design and ignoring irrelevant details. This allows the design to be understood at a high level.
• Refinement - Developing the design in more detail and adding details that were initially abstracted away. The design is refined through multiple iterations.
• Modularity - Designing the system as a set of separate, interchangeable modules that can be developed independently but work together. This improves the flexibility, reusability and understandability of the design.
• Architecture - The overall structure of the system, including how modules are organized and interact. The architecture provides a blueprint for the design and guides its implementation.
The design model includes four elements: architecture, interface design, component-level design, and deployment-level design. The architectural element defines the structural representation of the software, its subsystems, and components. The interface design element models external and internal interfaces and the user interface. The component-level design element defines each of the modules that populate the architecture, and the deployment-level design element allocates the architecture, its components, and interfaces to the physical configuration that will house the software.
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