POINT OF SALE
Point of sale (also called POS or checkout, during computerization later becoming electronic point of sale or EPOS) is the place where a retail transaction is completed. It is the point at which a customer makes a payment to the merchant in exchange for goods or services. At the point of sale the retailer would calculate the amount owed by the customer and provide options for the customer to make payment. The merchant will also normally issue a receipt for the transaction.
The POS in various retail industries uses customized hardware and software as per their requirements. Retailers may utilize weighing scales, scanners, electronic and manual cash registers, EFTPOS terminals, touch screens and any other wide variety of hardware and software available for use with POS. For example, a grocery or candy store uses a scale at the point of sale, while bars and restaurants use software to customize the item or service sold when a customer has a special meal or drink request.
The modern point of sale is often referred to as the point of service because it is not just a point of sale but also a point of return or customer order. Additionally it includes advanced features to cater to different functionality, such as inventory management, CRM, financials, warehousing, etc., all built into the POS software. Prior to the modern POS, all of these functions were done independently and required the manual re-keying of information, which can lead to entry errors.
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| POS at a store |
Terminology
The most common term used is the Point of Sale, particularly when talking about this area from the customer's perspective. However retailers and marketers will often refer to the area around the checkout instead as the Point of Purchase (POP) when they are discussing it from the retailer's perspective. This is particularly the case when discussing planning and design of the area as well as marketing strategy and offers, such as chocolate displays at point of purchase.
History
Software prior to the 1990s
Early electronic cash registers (ECR) were controlled with proprietary software and were limited in function and communications capability. In August 1973 IBM released the IBM 3650 and 3660 store systems that were, in essence, a mainframe computer used as a store controller that could control up to 128 IBM 3653/3663 point of sale registers. This system was the first commercial use of client-server technology, peer-to-peer communications, local area network (LAN) simultaneous backup, and remote initialization. By mid-1974, it was installed in Pathmark stores in New Jersey and Dillard's department stores.
One of the first microprocessor-controlled cash register systems was built by William Brobeck and Associates in 1974, for McDonald's Restaurants. It used the Intel 8008, a very early microprocessor. Each station in the restaurant had its own device which displayed the entire order for a customer—for example: [2] Vanilla Shake, [1] Large Fries, [3] BigMac—using numeric keys and a button for every menu item. By pressing the [Grill] button, a second or third order could be worked on while the first transaction was in progress. When the customer was ready to pay, the [Total] button would calculate the bill, including sales tax for almost any jurisdiction in the United States. This made it accurate for McDonald's and very convenient for the servers and provided the restaurant owner with a check on the amount that should be in the cash drawers. Up to eight devices were connected to one of two interconnected computers so that printed reports, prices, and taxes could be handled from any desired device by putting it into Manager Mode. In addition to the error-correcting memory, accuracy was enhanced by having three copies of all important data with many numbers stored only as multiples of 3. Should one computer fail, the other could handle the entire store.
In 1986, Gene Mosher introduced the first graphical point of sale software under the ViewTouch trademark on the 16-bit Atari 520STcolor computer.[4] It featured a color touchscreen widget-driven interface that allowed configuration of widgets representing menu items without low level programming.[5] The ViewTouch point of sale software was first demonstrated in public at Fall Comdex, 1986, in Las Vegas Nevada to large crowds visiting the Atari Computer booth. This was the first commercially available POS system with a widget-driven color graphic touch screen interface and was installed in several restaurants in the USA and Canada.
Modern software (post 1990s)
In 1992 Martin Goodwin and Bob Henry created the first point of sale software that could run on the Microsoft Windows platform named IT Retail.[7] Since then a wide range of POS applications have been developed on platforms such as Windows and Unix. The availability of local processing power, local data storage, networking, and graphical user interface made it possible to develop flexible and highly functional POS systems. Cost of such systems has also declined, as all the components can now be purchased off-the-shelf.
The key requirements that must be met by modern POS systems include: high and consistent operating speed, reliability, ease of use, remote supportability, low cost, and rich functionality. Retailers can reasonably expect to acquire such systems (including hardware) for about $4000 US (as of 2009) per checkout lane.
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