Answer:
Relationship between external entities
Explanation:
There are four primary components in all data flow diagrams: entity, process, data store and data flow.
Also recognized as performers, sources or sinks, and terminators, internal entities generate and consume information flowing between the diagramming entity and system. These data flows are the DFD's inputs and outputs.
No activities are generated by a data store, but it merely maintains data for subsequent access. Data stores may consist of long-term files or a batch of documents stored for a short time while waiting for processing.
Dataflow between external entities, procedures and information shops is depicted by an arrow symbol indicating the flow direction.
The item which is NOT a component of a data flow diagram is:
A data flow diagram is a representation of an image which shows how data is moved through a series of processes to make them function and the different methods and operations involved.
It has some major components such as:
As a result of this, we can see that the data flow entity does not have relationship between external entities as a component because it does not help the data flow process.
Therefore, the correct answer is option D
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