Drow a UML Sequence Diagram for the following book shop checkout system: Assume that a customer selects the books and taken to the cashier by the customer. To complete the order, the cashier scans each book with the checkout device. Cashier requests for the payment through credit card from Customer. Customer provides a credit card to the cashier. The card is checked by the Bank Muscat at the checkout device. The Bank Muscat confirms the acceptance of the payment. The customer signs the receipt for credit card. The books bought would be shipped to the customer.

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Q: and taken to the cashier by the customer. To complete the order, the cashier scans each book with…

A: Below a UML Sequence Diagram for the following book shop checkout system:

Requirement Analysis

A process that determines the user expectations for a software product is called requirement analysis. In software engineering, requirement analysis is known as requirement engineering. It involves communication with end-users and stakeholders to determine whether the system or software requirements are validated, conflicts are solved, and key requirements are documented. The first activity of the Software Development Life Cycle (SDLC) is requirement analysis.