A data flow diagram could contain each of the following symbols except:
A)a bubble or circle
B)an octagon
C)a square
D)a curved line with arrow head

Question

Quizplus · Accepted Answer

A data flow diagram can contain a bubble or circle to represent a process, a square to represent an external entity or data store, and a curved line with an arrowhead to show the direction of data flow. However, it does not contain an octagon symbol.

A Data Flow Diagram Could Contain Each of the Following