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Data Store Symbol in DFD represents a

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Data Store Symbol in DFD represents a

(a) Physical file

(b) Data Structure

(c) Logical file

(d) All of the mentioned

This question was posed to me in an interview.

This intriguing question comes from Function Oriented Design using Structured Analysis Structured Design topic in division Software Design of Software Engineering

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Right option is (d) All of the mentioned

Easy explanation: A logical file can be a data structure or a physical file on disk.

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