When a customer goes to shop in a supermarket, he/she starts by filling all the items they need on the trolley. The customer then pushes the trolley to the trolley to the cashier who calculates the total cost of all the items and presents the same o the customer. Thereafter, the customer may decide to pay in cash or present a card. The credit card is then swiped by the cashier through a card reader that debits the same amount from the customer’s account. The cashier then returns the card to the customer. represent the above using a use-case diagram

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23-11-2021
Engineering

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When a customer goes to shop in a supermarket, he/she starts by filling all the items they need on the trolley. The customer then pushes the trolley to the trolley to the cashier who calculates the total cost of all the items and presents the same o the customer. Thereafter, the customer may decide to pay in cash or present a card. The credit card is then swiped by the cashier through a card reader that debits the same amount from the customer’s account. The cashier then returns the card to the customer. represent the above using a use-case diagram

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azikennamdi azikennamdi · Answer 1 · 2021-12-04T10:59:56+01:00

A Use-Case Diagram (UCD)refers to all the possible interactions that a person or one system can possibly have with another system, represented in a graphical format.

There are four main constituents of a use-case diagram. They are:

The actors who interact with the system
the system
the use cases and
the lines that represent the relationships

UCDs are used to

capture the requirements of a system
acquire the external persons' point of view
identify risk factors associated with a project.

See the attached picture and the link below for more about Use-Case Diagrams:

https://brainly.com/question/3256543