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@Sanjay Sharma

sir i can't see the question... can you edit it...

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Answer is B)

A physical DFD is just like document flow diagram.It depicts who does the operations and shows all the physical movements of all the goods.

On the other hand , it shows who generates a paper, how the paper flows from desk to desk in the office. 

Refer---> 

https://www.slideshare.net/mobile/macjones25/dfd-final

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