Which of the Following Data Flow Diagram (DFD) Guidelines Is

question 112

Multiple Choice

Which of the following data flow diagram (DFD) guidelines is correct?

• A) include within the system context any entity that performs one or more information processing activities
• B) read computer data stores from the process bubble that requires the data
• C) include within the system context any entity in the system narrative
• D) data flows should never go from higher- to lower-numbered bubbles

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Definitions:

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