One benefit of a POS system is that it simplifies communications between the kitchen and the wait staff. Orders go through the computer, directly to the kitchen printer. Another benefit of a restaurant POS program is that it can track everything from food usage to the most popular menu items.
This installation has iPads for the upper floor, iPads on the ground floor and patio. All the stations have receipt printers attached to their respective stations. There are two printers in the kitchen, one for hot food, the other for desserts.