As a systems analyst, you have been tasked by your program manager to create a context diagram and a Diagram 0 DFD for the typical library function of checking and returning books, as well as updating the user list. You have been told to use the Yourdon symbols DFD to create your diagrams.
You must:
Draw and label a context diagram for the typical library function of checking and returning books, as well as updating the user list. Then write the description process, provide the data dictionary, and include the structured English for the diagram.
Draw and label a Diagram 0 DFD for the typical library function of checking and returning books, as well as updating the user list. Then write the description process, provide the data dictionary, and include the structured English for the diagram.
Below is the additional information that you will need to create the context diagram and the Diagram 0 DFD.
Context Diagram – Library Function Model
Manage books.
Add and remove books.
Checkout and return books.
Archive checkout list and user list.
Update user.
Diagram 0 DFD
Add and remove books.
Checkout and return books.
Archive checkout list and user list.
Submit your assignment as a .doc, .docx, .pdf, .jpg, or .odt format. Because you are using the Yourdon Symbol DFD, this can easily be created by MS Word, PaintShop Pro, or other favorite drawing software.
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