Week 2 Hand-in Assignment -2 Example | Topics and Well Written Essays - 500 words

Week 2 Hand-in -2 - Assignment Example But how does that rectangular box, on the wall of the bank, in a private booth, or maybe in a convenience store, dispense all of that cash? What are the user requirements? The ATM is a classic example of the textbook definition of Chapter 4.1.1 â€Å"The functional requirements for a system describe what the system should do†. The European Community basically agrees in its ATM Protection Guidelines (2000). Although it is relatively old, the University of Maryland issued a very good document on this subject (1996). The following steps must be undertaken before the customer can receive his or her money. Any answers of no will cause a rejected transaction and the person will be turned away. 4. If valid, customer is prompted to enter his Personal Identification Number. Is it correct? (Depending upon the policies of the bank, the customer is given a number of chances [usually three] to enter the correct number). 6. If the answers to questions two, three or four or no, depending upon the type of machine and again the bank or network policy, an error message is displayed on the screen. The card is either returned or seized without printing a receipt. 11. If all questions other than Item Ten are â€Å"Yes†, then cash is dispensed, a receipt is printed, and the customer is reminded to remove his card. The ATM also notifies the customer bank of the transaction, along with any fees assessed. All of these steps are completed (most of the time) in a matter of seconds, probably less than two minutes. Some say the increased use of debit cards, twenty per cent in the last fifteen years (FED 2006), may spell the demise of ATM. Yet the recent credit card crunch and tightening of bank regulations have led to the use of more cash and that means the little boxes will continue to