Question
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.
Step by Step Solution
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