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What is DFD? Explain level 0 and level1 DFD with suitable example.
written 7.2 years ago by gravatar for iampriyanka.dhuliya iampriyanka.dhuliya • 60 modified 3.2 years ago by gravatar for pedsangini276 pedsangini276 • 4.8k

Subject: Software Engineering

Topic: Requirements Engineering and Analysis Model

Difficulty: High
software project management
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written 7.0 years ago by gravatar for teamques10 teamques10 ★ 69k

A data flow diagram (DFD) is a graphical representation of the "flow" of data through an information system, modelling its process aspects. A DFD is often used as a preliminary step to create an overview of the system without going into great detail, which can later be elaborated.Data flow diagrams …

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