DFD

DFD refers to

Symbols to represent external entity

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Identity the symbol

• External Entity

• Process

• Data Store

• Data Flow

Identify the connection.

• Correct

• Incorrect

Entity represents all belows except

• Place

• Thing

• Event

• Flow

Identify INCORRECT connection

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The function of External Entity accept

• Data origin

• Sink

• Supplies data

• Direction

Draw data store names PAYMENT