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This Use Case Diagram is a graphic depiction of the interactions among the elements of Computer Sales and Service Management System. It represents the methodology used in system analysis to identify, clarify, and organize system requirements of Computer Sales and Service Management System. The main actors of Computer Sales and Service Management System in this Use Case Diagram are: Super Admin, System User, Cashier, Customer, who perform the different type of use cases such as Manage Computer. Sales, Manage Parts, Manage Customers, Manage Services, Manage Repairs, Manage Users and Full Computer Sales and Service Management System Operations. Major elements of the UML use case diagram of Computer Sales and Service Management System are shown on the picture below.
The relationships between and among the actors and the use cases of Computer Sales and Service Management System:
- Super Admin Entity : Use cases of Super Admin are Manage Computer. Sales, Manage Parts, Manage Customers, Manage Services, Manage Repairs, Manage Users and Full Computer Sales and Service Management System Operations
- System User Entity : Use cases of System User are Manage Computer. Sales, Manage Parts, Manage Customers, Manage Services, Manage Repairs
- Cashier Entity : Use cases of Cashier are Check Service, Manage Invoice, Collect Payment, Create Invoice, Manage Bills
- Customer Entity : Use cases of Customer are Service Request, Purchase Items, Make Payment, Payment History