COSC 4760-HW 1

COSC 4760-HW 1 - ATM T0. Card Inserted. Read account...

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ATM Centralized Computer (CC) T0. Card Inserted. Read account details and ask for PIN. T1. User entered the PIN. Sends the account number and PIN to CC for verification and necessary authentication T2. Receives account login information. Verifies and reverts back to ATM with the information gathered from database. T3. Collects information from CC. If the PIN entered matches with the account requested, requests the withdrawal amount from the user. T4. Forwards the amount entered by the user to the CC in order to get confirmation on availability of account balance. T5. Gets the amount entered by the user. Checks account balance to ensure availability in the account. If yes, approves ATM for the withdrawal. Otherwise, alerts ATM regarding not enough balance and cancels any request forwarded. T6. Gets the response from CC. T7. If enough balance, withdraws money requested. Queries CC regarding account balance after withdrawal. If not, gives user with the information about unavailability of enough balance for
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This note was uploaded on 02/23/2011 for the course CHEM 1030 taught by Professor Staff during the Spring '08 term at Wyoming.

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COSC 4760-HW 1 - ATM T0. Card Inserted. Read account...

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