Answer Happy

Notes: • This is a individual assignment. All members of your group will receive equal marks. • Include your number and your name at the beginning of every document you submit for the assignment • Your answers must be in a single Microsoft Word file named include your number, assignment number, and version number s##a##ver##.doc (e.g. s1534560a03verl.doc) and submitted via the "Assignment" mechanism. (Blackboard Ims.uj.edu.sa) cite your references and use page number when you use the textbook. • No late work please. Start early! No : you can use uml tool to draw diagrams or draw it by hand ! Exercise This case study is about a simplified Payphone coin system. 1. The minimum price of a communication is 10 ryals. 2. After the introduction of the currency, the user has 2 minutes to dial his number this time is counted by a time counter). 3. The line can be free or busy. 4. The Payphone consumes money as soon as the called person picks up and at each time unit generated by the counter. 5. You can add pieces of money at any time. 6. At the time of the hang-up, the balance of the currency introduced (the rest of the money) is returned. Required work: From this statement, you are asked to: 1. Establish the use case diagram of this statement. 2. Construct a sequence diagram that describes the nominal scenario of Payphoning use case in this statement.