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20 December, 18:41

Which of the followings is design tool?[2 marks]

o Collaboration Diagram

o State Transition Diagram

o Flow Chart

o Data Flow Diagram

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Answers (1)
  1. 20 December, 21:03
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    Data Flow Diagram

    Explanation:

    Data flow diagram is representation of data which is processed in terms of input and output. It is a tool for designing the structure for a software. Rectangles, square and circles are used in representing the flow of information.

    DFD consists two components

    Layers-It consist many layers, the top layer is called context diagram. Levels-The first level shows the main process of the system.
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