Question: What is the developed external system diagram using the IDEF0 model for the following scenario? Please make the diagram clear and detailed. Additional Scenario :
What is the developed external system diagram using the IDEF0 model for the following scenario? Please make the diagram clear and detailed.
Additional Scenario: Making bill payments
Customers inserts their ATM card into the ATM machine
The ATM reads the information on the ATM card
The ATM validates the ATM card is a real ATM card.
The ATM displays and prompt for the customer to enter the cards unique identification pin/code.
The customer enters the unique identification information
The ATM validates the unique identification information matches the information on the ATM card.
The ATM will request the type of activity to be selected
The customer selects Bill Payment
The ATM asks the customer to identify the type of account they want to pay the bill.
The ATM requests the billers information, including their name, the cards unique identification information, and account number.
The customer enters the billers information
The ATM queries the main bank computer to verify the billers information
The ATM request the biller enter the amount they want to pay towards the bill.
The customer enters a numeric value they want to pay towards the outstanding bill.
The ATM queries the main bank for the availability of funds for the account entered.
If the payment amount is greater than the available funds in the customers account, the ATM denies the request to pay X value to the bill.
Otherwise, the ATM processes the bill payment, and transmits the transaction to the main bank computer.
The ATM displays a receipt option to the customer.
The customer selects if they want a receipt or not.
If the customer selects yes for receipt, the ATM will print a receipt of how much is outstanding on the bill left to pay and how much is left in the account the funds were transferred from.
If the customer selects no for receipt, the ATM returns the card to the customer.
The ATM prompts if they would like to perform another transaction.
The customer selects their response.
If the customer selects yes for a new transaction, the ATM will display a message to reenter the card.
Otherwise, the ATM returns the card back to the customer.
The ATM displays a Thank You message.
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