Level – 0 DFD is also called as:
Pick an option to check yourself, or open the answer below.
Show answer & explanation
Correct answer: C. Context Diagram
Explanation
A Level-0 Data Flow Diagram shows the entire system as a single process (bubble) together with all the external entities and the data flows between them, so it is known as the Context Diagram. It fixes the boundary and the scope of the system without revealing any internal processing; that detail appears only from Level 1 onward. A Use case diagram and a Sequence diagram are UML behavioural diagrams, not DFD levels, and a 'Prototype diagram' is not a recognised notation at all. Therefore option (iii) is correct.More Computer System Architecture questions
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