EMERGING TRENDS IN SOFTWARE ENGINEERING
MISCELLANEOUS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Data Store Symbol in DFD represents a
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Physical file
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Data Structure
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Logical file
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All of the mentioned
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Explanation:
Detailed explanation-1: -The Data Store symbol represents data that is not moving (delayed data at rest). The Process symbol represents an activity that transforms or manipulates the data (combines, reorders, converts, etc.).
Detailed explanation-2: -Data flow diagram notations For example, Yourdon and Coad notation uses circles to represent processes, whereas Gane and Sarson notation use rectangles with rounded corners.
Detailed explanation-3: -Explanation: It resembles data flow in the direction of the arrow.
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