Question

A retail POS system typically includes a computer, monitor, keyboard, barcode scanners, weight scale, receipt printer, credit card processing system, etc. and POS terminal software. Checkout use case involves Customer, Clerk and Payment Service actors and includes scanning items, calculating total and taxes, payment use cases. For the payment service use the “include” relationship so that not just single but several forms of payment could be accepted from the same client during checkout.

Draw a detailed USE Case diagram for the above mentioned scenario.

Answer 1

Use case involves Customer, Clerk and Credit Payment Service actors and includes scanning items, calculating total and taxes, payment use cases.