Greg's Grocery Store Is Testing a New Form of Easy-Pay

Multiple Choice

Greg's Grocery Store is testing a new form of easy-pay system where shoppers can use a portable,self-scanning,handheld scanner to record purchases as they fill their carts.This wireless form of data capture is another example for the necessity of a(n)

A) data warehouse.
B) data mine.
C) expert system.
D) data portal.
E) expert portal.