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Unformatted text preview: u find out a new IO in level 0, you should correct Context Diagram. L2: all external entities must be included. (Customer, e‐payment companies, bank, suppliers ..) L3: a level 0 diagram has three to nine processes L4: The handling of exceptions is ignored. L5: major data stores must be included. (Order, Delivery, Inventory | Stock, Customer, Payment) L6: same processes (sometimes with different names) or meaningless processes or problematic chain of processes Level 1 L11: at least one process in Level 0 must be exploded to create a more detailed child diagram. L12: I/Os in the level 0 remain constant. L13: processes are numbe...
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- Fall '12