This chapter tackles about the related literature of this certain system and also the theory of the author about her system.
Related Literature The hardware of a POS system is also distinctive and important. A typical system includes a display screen for the clerk, a customer display, a cash drawer, a credit card swiping system, a printer, and a bar code scanner, along with the computer loaded with the POS software. Custom features may be added or removed, depending on the industry. A restaurant POS system, for example, may have a feature which prints order tickets directly in the kitchen, or a grocery store may have an integrated scale for weighing goods. Early electronic cash registers (ECR) were controlled with proprietary software and were very limited in function and communications capability. In August 1973 IBM announced the IBM 3650 and 3660 Store Systems that were, in essence, a mainframe computer packaged as a store controller that could control 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. Programmability allowed retailers to be more creative. In 1979 Gene Mosher's Old Canal Cafe in Syracuse, New York was using POS software written by Mosher that ran on an Apple II to take customer orders at the restaurant's front entrance and print complete preparation details in the restaurant's kitchen. In that novel context, customers would often proceed to their tables to find their food waiting for them already. This software included real time labour and food cost reports. In 1986 Mosher used the Atari ST and bundled NeoChrome paint to create and market the first graphical touch screen POS software. In 1990, A wide range of