Answered: SE case study homework (PLAGIARISM WILL…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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SE case study homework (PLAGIARISM WILL BE DETECTED !!!)

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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.

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