Question

Illustrate a Data Flow Diagram of a customer ordering/fulfillment system with linkages to the accounting and inventory systems. (Marks 20).

Elaborate in detail please.

Answer 1

Diagram-1

Diagram-2

1. When customer orders come in, the item master and the customer master files are both updated. If an item is out of stock, the inventory control department is notified.
2. If the order is from a new customer, a new record is created in the customer master file.
3. Picking slips are produced for the customer order and sent to the warehouse.
4. A shipping statement is prepared.
5. The process of shipping a customer order involves getting the goods from the warehouse and matching up the customer shipping statement, getting the correct customer address, and shipping it all to the customer.
6. The customer statement is generated and a billing statement is sent to a customer once a month.
7. An accounts receivable report is sent to the accounting department.