Question 4333 – Software-Development
March 19, 2024Question 14954 – DSSSB TGT 2017
March 19, 2024Question 4282 – Software-Development
A black hole in a DFD is a :
Correct Answer: B
Question 4 Explanation:
Black Hole: A processing step may have input flows but no output flows.
Miracle: A processing step may have output flows but now input flows.
Grey Hole: A processing step may have outputs that are greater than the sum of its inputs – e.g., its inputs could not produce the output shown.
Miracle: A processing step may have output flows but now input flows.
Grey Hole: A processing step may have outputs that are greater than the sum of its inputs – e.g., its inputs could not produce the output shown.
A data store with no inbound flows
A data store with only in bound flows
A data store with more than one in bound flow
None of these.
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