Computer Science - System Analysis and Design - Discussion

2. 

Which of the following symbols is (are) not the Data Flow Diagram (DFD):

[A]. a square
[B]. an open rectangle
[C]. a circle
[D]. a triangle
[E]. a bubble

Answer: Option D

Explanation:

No answer description available for this question.

Ken said: (Apr 13, 2015)  
What is a bubble?

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