Which of the following data flow diagram (DFD) symbols is represented by two parallel lines?
A) data flow symbol
B) external entity symbol
C) internal entity symbol
D) data store symbol

Question

Quizplus · Accepted Answer

The data store symbol is represented by two parallel lines in a data flow diagram. It is used to represent a place where data is stored or retrieved from. The other symbols are represented by different shapes, such as arrows for data flow symbol, rectangles for external entity symbol, and circles for internal entity symbol.

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