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The context diagram is also known as

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The context diagram is also known as

(a) Level-0 DFD

(b) Level-1 DFD

(c) Level-2 DFD

(d) All of the mentioned

This question was posed to me in class test.

The above asked question is from Function Oriented Design using Structured Analysis Structured Design in section Software Design of Software Engineering

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Correct choice is (a) Level-0 DFD

Easiest explanation: Context diagram captures the various entities external to the system interacting with it and data flow occurring between the system and the external entities.

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