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Question 43 - CITM-001 discussion

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Which of the following symbol represents flow of data in Data Flow Diagram?

A.

Square

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A.

Square

B.

Rectangle

Answers
B.

Rectangle

C.

Arrow

Answers
C.

Arrow

D.

Data Store

Answers
D.

Data Store

Suggested answer: A

Explanation:

A data flow diagram (DFD) is a graphical representation of data flow in any system.It uses defined symbols like rectangles, circles and arrows, plus short text labels, to show data inputs, outputs, storage points and the routes between each destination1. Data flow: data flows indicate the data movement between external entities, processes, and the data store.They're represented as arrows in the DFD with a short text label2.Therefore, the symbol that represents flow of data in DFD is arrow.Reference:1: What is a Data Flow Diagram | Lucidchart2: What Are Data Flow Diagrams? | Baeldung on Computer Science

asked 18/11/2024
Haitham Hanash
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