The Bar Code Revolution

Cash registers

Scanners

Bar codes (correct)

Grocery stores

A printed pattern of black and white lines (correct)

A type of cash register

A type of scanner

A computer memory

To add up the cost of purchases

To help customers wait in long lines

To help grocery stores speed up the checkout process (correct)

To search the store computer's memory

<p>Reads the bar code</p> Signup and view all the answers

<p>The bar code and price of each item</p> Signup and view all the answers