(Choose 1 answer)
Which sentence is not the purpose of data flow diagram?
A. A gives context to the functional requirements regarding how the user performs specific tasks
B. Provide a way to represent the steps involved in a business process or the operations of a proposed software system
C. Provide a big-picture view of how data moves through a system, which other models don't show well
D. Can be used as a technique to identify missing data requirements
Q: 59