CAPE Computer Science Unit 2 · 2006 · Paper 2 · Question 1(a)

A costume rental company accepts costume rental orders from customers after checking availability in the inventory and customer credit information. Accepted orders are stored in an orders file. A shipment process reads the orders file and customer address from the customer file, sends costumes with an invoice, and updates inventory rental information.

Draw a level-0 data flow diagram representing the given costume rental scenario.