Description: In large markets, a system that allows users to pay by themselves can make both cash and card transactions after the user has their products scanned by the barcode scanner. Welcoming Screen 1- The user can select the "read membership card" option on the login screen to earn discounts and points at the end of the shopping, or "enter a phone number" if the membership card is not next to it. 2- If he is not a member he can choose to "scan the product" directly. 3- Membership control is carried out by the membership database. 4- After the user has made the selection, the scan and package screen is displayed. Draw the use case diagram of this scenario.
Exercise 1.2
Description: In large markets, a system that allows users to pay by themselves can make both cash and card transactions after the user has their products scanned by the barcode scanner.
Welcoming Screen
1- The user can select the "read membership card" option on the login screen to earn discounts and points at the end of the shopping, or "enter a phone number" if the membership card is not next to it.
2- If he is not a member he can choose to "scan the product" directly.
3- Membership control is carried out by the membership
4- After the user has made the selection, the scan and package screen is displayed.
Draw the use case diagram of this scenario.
It is a primary form of system/software requirement.
It only specify the expected behavior not actual functionality.
Use case only summarize some of the relationship between use case, actors and system
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