Using techniques suggesting in the text, create a document that identifies user requirements for ONE of the following functions:
1.An unattended petrol (gas) pump system that includes a credit card reader.The customer swipes the card through the reader then specifies the amount of feel required. The fuel is delivered and the customer's account is debited.
OR
2.The cash-dispensing function in a bank ATM
OR
3.The spelling-check and correcting function in a word processor.