8. IF it is necessary to produce a level 2 or level 3 diagram, the same steps would be followed as used when constructing the Level 1 diagram Constructing a Level 2/3 diagram
16. Food ordering system 0 CUSTOMER KITCHEN RESTAURANT MANAGER Level 0 Context diagram Food Order Management Reports Customer Order Receipt
17.
18. Food ordering system 0 CUSTOMER KITCHEN RESTAURANT MANAGER Food Order Management Reports Customer Order Receipt Level 0 Context diagram Does this show enough detail?
23. 1.0 Receive and transform Customer Food Order 2.0 Update Inventory file 3.0 Update Goods Sold file
24.
25. 1.0 Receive and transform Customer Food Order 2.0 Update Inventory file 3.0 Update Goods Sold file 4.0 Produce Management Reports
26.
27. 1.0 Receive and transform Customer Food Order 2.0 Update Inventory file 3.0 Update Goods Sold file 4.0 Produce Management Reports KITCHEN Food Order CUSTOMER Customer Order Receipt RESTAURANT MANAGER Management Reports
28.
29. RESTAURANT MANAGER Food Order Customer Order Receipt Management Reports 1.0 Receive and transform Customer Food Order 2.0 Update Inventory file 3.0 Update Goods Sold file 4.0 Produce Management Reports CUSTOMER KITCHEN Goods Sold File D1 D2 Inventory File
30.
31. RESTAURANT MANAGER Food Order Customer Order Receipt Management Reports 1.0 Receive and transform Customer Food Order 2.0 Update Inventory file 3.0 Update Goods Sold file 4.0 Produce Management Reports CUSTOMER KITCHEN Goods Sold File D1 D2 Inventory File Goods Sold Inventory Data Goods Sold Data Inventory Data Daily Goods Sold Amount Daily Inventory Depletion Amounts
32. In this example, having constructed our Level 1 diagram it is decided there is no need to further breakdown the data flow processes within this organisation. Our data flow diagram is therefore complete.
![Identifying Data Flows ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/dataflowdiagram-091129225948-phpapp02/85/Data-Flow-2-1-320.jpg)
![DATA FLOW DIAGRAMS [DFD’S] ,[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)