Which of the following would be a "miracle" error on a DFD?
A) A data store has only an output data flow
B) A data store has only an input data flow
C) A process has no input data flows
D) A process has no output data flows
E) An external entity shows up on a Level 2 diagram

Question

Quizplus · Accepted Answer

A process with no input data flows would be a "miracle" error because it means the process is able to produce output without any input, which is impossible in reality.

Which of the Following Would Be a "Miracle" Error on a DFD