Question: What is the main function of the Data Flow Diagrams? What items depict in a Data Flow Diagrams? What are the advantages

  1. What is the main function of the Data Flow Diagrams?

 

 

  1. What items depict in a Data Flow Diagrams?

 

  1. What are the advantages of Data Flow Approach?

 

  1. Draw the basic Symbols and name them.

 

  1. What is an externa entity in a Data Flow Diagram?

 

  1. What is a Data Flow in a Data Flow Diagram?

 

  1. What is a process in a Data Flow Diagram?

 

  1. What is a data store in a Data Flow Diagram (DFD)?

 

  1. What are the steps of developing a Data Flow Diagram?

 

  1. What is a context diagram and what are the items ?

 

  1. What are the basic rules of a DFD?

 

  1. What are Data Flow Diagrams Levels ?

 

  1. What are the possible errors that could happen when you draw DFDs?

 

  1. What are the differences between Logical Vs Physical Data Flow Diagrams?

 

  1. What are the common features for logical and physical Data Flow Diagrams?

 

  1. What is a CURD matrix ?

 

  1. Explain how events can be modeled by the DFDs?

 

  1. What are the difference with Use Cases and the Data Flow Diagrams?

 

  1. What are the reasons for partitioning Data Flow Diagram?

 

What are the advantages for partitioning DFD for a website?

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