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Draw a context diagram and a diagram 0 DFD that represents the information system at a typical library. First create a Functional Decomposition Diagram (FDD)

Draw a context diagram and a diagram 0 DFD that represents the information system at a typical library. First create a Functional Decomposition Diagram (FDD) to identify the major functions before you start your DFD. Using your personal experience and your understanding of library functions, create a basic context diagram.

Criteria:

Context diagram is created correctly with reasonable external entities. Data flows are all labeled. No errors on this diagram.

Level 0 diagram has main subsystems listed. No Data stores are present. Data flows are labeled correctly. No errors.

Level 1 diagram is complete with data stores correctly connected. Data flows are labeled. No errors.

Decomposition of Level 1 diagrams are appropriate and correct. Data flows are labeled. Data stores exist. No errors.

Data stores are present in the correct places with meaningful names.

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