VTU Notes | 18CS35 | SOFTWARE ENGINEERING

System Models

Module-3

4.9
2018 Scheme | CSE Department

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5 Modules

18CS35 | SOFTWARE ENGINEERING | Module-3 VTU Notes

VTU | 18CS35 | Module - 3

System Models: Context Models (Section 5.1)

Context Models are used in systems engineering to provide an overview of a system's external environment and its interactions. These models help in understanding the system's boundaries, interfaces, and relationships with external entities. Context diagrams, also known as system context diagrams, are commonly used to depict the system's high-level interactions with its environment.

System Models: Interaction Models (Section 5.2)

Interaction Models focus on how different components or entities within a system communicate and collaborate. They describe the flow of information, data, and control between system elements. Techniques like sequence diagrams and communication diagrams in UML (Unified Modeling Language) are often used to illustrate these interactions, making it easier to understand and design complex systems.

System Models: Structural Models (Section 5.3)

Structural Models provide insights into the composition and organization of a system's components. These models define the static aspects of a system, such as its architecture, components, and their relationships. Commonly used structural modeling techniques include class diagrams, object diagrams, and component diagrams. They help in visualizing the system's structure and component hierarchy.

System Models: Behavioral Models (Section 5.4)

Behavioral Models focus on the dynamic aspects of a system, describing how it behaves over time. These models capture the system's functionality, state transitions, and interactions among components. UML behavioral diagrams like activity diagrams, state machine diagrams, and use case diagrams are used to represent system behavior. Behavioral models are essential for understanding and specifying system functionality.

Model-Driven Engineering (Section 5.5)

Model-Driven Engineering (MDE) is an approach that emphasizes the use of models as central artifacts in the software development process. It involves creating high-level models of a system and generating code or other system artifacts from these models. MDE improves productivity, enhances consistency, and enables rapid adaptation to changes. It's a valuable approach in complex system development.

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