DFDAssignment_Answers_2.pdf

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1 Level 0 DFD Create Product Order CUSTOMER Products-Inventory File STOCK ROOM SUPPLIER/S Process Product Information Product ID # Product Details / Stock / Delivery Product Purchase ID Sales Transaction Order Transaction File Payment Customer Sale Order Fill Customer Order Product Order Order Filled/ Estimated delivery date Order ready for collection Customer Order Check Inventory Data Supplier Order File Product Order record 1 2 3 4 Product in Stock Product Ordered & Quantity Find Product Product Info Receipt Customer Order Filled Update Inventory Data
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2 Process Description Process 1.0: Process Product Information DO READ Product-ID FIND Product-ID from Product Inventory GET Product Information PRINT Product Details, Stock, Delivery UNTIL End-of-File Process 2.0: Process Sale Transaction DO GET Product Purchase ID PRINT Product in Stock
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