3) Using the technique suggested here, where natural language descriptions are presented in a standard format, write probable user requirements for the following functions: ii. 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.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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3) Using the technique suggested here, where natural language descriptions are
presented in a standard format, write probable user requirements for the following
functions:

ii. 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.

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