Computer Science · System Analysis and Design
In a Data Flow Diagram (DFD), a 'black hole' refers to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A processing step that has only outbound data flows
- 2A processing step or data store with only inbound data flows✓
- 3An external entity that does not receive any information back
- 4A data store that has more than one inbound data flow
Correct answer
A processing step or data store with only inbound data flows
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