A black hole in a DFD is
2022
A black hole in a DFD is
- A.
A data store with no in bound flows
- B.
A data store with only in bound flows
- C.
A data store with more than one in bound flow
- D.
None of these
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Correct answer: B
In a Data Flow Diagram (DFD), a black hole refers to a situation where data enters a process or data store but no data comes out. Thus, a data store with only incoming flows and no outgoing flows is called a black hole.