Back to the 2024 paper

Module 3: Software Design Methodologies and UML

20247m

Draw the context diagram and Level-1 DFD for the following Mail Order Processing System.

"HMV Records is a mail-order company that distributes CDs and tapes at discounted prices to record-club members. When an order processing clerk receives an order form, he verifies that the sender is a club member by checking the member file. If the sender is not a member, the clerk returns the order along with a membership application form. If the customer is a member, the clerk verifies the order item data by checking the Item file. Then the clerk enters the order data and saves it to the Daily Order file. The clerk also prints an invoice and shipping list for each order, which are forwarded to order fulfilment section."

Similar questions