ISOM221+Lecture+12+-+Object-Oriented+Modeling+II+_Base+Use+Case+Model_+Solutions

ISOM221+Lecture+12+-+Object-Oriented+Modeling+II+_Base+Use+Case+Model_+Solutions

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ISOM221 Information Systems Analysis and Design Lecture 12: Object-Oriented Modeling II (Base Use Case Model) (Solutions of In-Class Exercises) 1 Use Case ID UC-200 Use Case Transfer Funds Actors (P) Customer (S) Customer Accounts System Description Customer logs in, selects transfer funds, enters an account number and amount, and transfers the money to another account Pre- conditions Welcome screen is on Flow of vents <see next page> Exercise #1 - Transfer Funds: Base Use Case Events Post- conditions Welcome screen is back on Alternative Flows Customer may not be authenticated; account number may not be correct; customer may not have sufficient funds; the amount to transfer is over daily limit Priority High Non- Functional Requirements Balances of both the transferring and receiving accounts are updated immediately Assumptions Customer speaks English Source Bank’s Operational Procedures Manual 2 Flow of Events 1. Customer slides card in and out 2. Machine prompts customer for password 3. Customer enters password 4. System authenticates customer 5. System presents user with a choice menu 6. Customer selects Transfer Funds option 7. System asks customer to enter the account number of the account to which funds
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ISOM221+Lecture+12+-+Object-Oriented+Modeling+II+_Base+Use+Case+Model_+Solutions

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