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Ans B) A system context diagram (SCD) in engineering is a diagram that defines the boundary between the system, or part of a system, and its environment, showing the entities that interact with it. This diagram is a high level view of a system. It is similar to a block diagram. https://en.wikipedia.org/wiki/System_context_diagram

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DFD (Data Flow Diagram) Level 0 is also called a Context Diagram. It’s a basic overview of the whole system or process being analyzed or modeled. It’s designed to show the system as a single high-level process, with its relationship to external entities. It should be easily understood by a wide audience.

∴ The answer will be b) the overview of the system.

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