1.       4.5.  Using the technique suggested here, where natural language descriptions are presented in a standard format, write plausible user requirements for the following functions:   o     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 fuel required. The fuel is delivered and the customer’s account debited.   Function: Accept customer input for the amount of gas they want and charge them for it   Description: The system will accept a customer’s credit card, allow the customer to specify the amount of gas they want, dispense the gas, and charge the customer for the gas   Inputs: Customer credit card information, amount of gas that the customer specified   Source: The card reader   Outputs: The amount of gas that the customer specified   Destination: The customer’s car’s gas tank.   Action: The customer will swipe their card through ...
 
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