Assignment no 6.docx - The University of Lahore Assignment...

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The University of LahoreAssignment NO 6 (Spring 2020)Subject: SQECLASS: BSSE-6(B)SEMESTER- VIInstructor: Ajaz Khan BaigDATE: TOTAL MARKS:20TIME ALLOWED: 3 Days Use Cases and Modeling Rules: The assignment is individual basis.Submit the material in Word Application form. Copied material will not be accepted and graded. Late submission will not be considered.Tasks: Solve the following Scenarios by modeling the systems. Question no 1: (Marks=5)Consider a train ticket distributing system. The system includes two actors:A traveler, who purchases different types of tickets,And a central computer system, which maintains a reference databasefor the tariff.Use cases should include:BuyOneWayTicket, BuyWeeklyCard, BuyMonthlyCard, UpdateTariff.Also include the following exceptional cases:Time-Out (i.e. traveler took too long to insert the right amount),TransactionAborted (i.e., traveler selected the cancel button without completing thetransaction),DistributorOutOfChange, and DistributorOutOfPaper,

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