What is system design? What are the major tasks performed during system design? Explain.
System design refers to the process of defining the architecture, components, modules, interfaces, and data for a system to satisfy specified requirements. It acts as a blueprint for both the system and the software development process, establishing a clear roadmap for building and implementing the system. In the context of Object-Oriented Analysis and Design (OOAD), system design focuses on breaking down a system into manageable and logically structured parts, utilizing object-oriented principles to model the system and its behavior.
The major tasks performed during system design are:
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Architectural Design: This is the first step in system design, where the overall structure of the system is planned. The system is divided into various components or modules that interact with one another. In OOAD, architectural design involves defining the system’s objects, their relationships, and the classes they belong to. The design specifies how objects interact through methods and messages, ensuring that the system meets both functional and non-functional requirements.
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