The cash register where a retail item is bought is an example of the point-of-sale.
nounpl. points of sale
(plural points of sale)
- In an establishment that sells goods or services, the location at which payment for goods is made.
point-of-sale - Computer Definition
Capturing data at the time and place of sale. Point of sale systems use computers or specialized terminals that are combined with cash registers, barcode readers, optical scanners and magnetic stripe readers for accurately and instantly capturing the transaction. Point of sale systems may be online to a central computer for credit checking and inventory updating, or they may be stand-alone machines that store the daily transactions until they can be delivered or transmitted to the main computer for processing. See keyboard wedge and self checkout.