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Point of Sale (POS), POS devices, including a POS printer, a bar-code scanner, and a credit/debit
card reader, Are used in retailing in which a bar code on a product is scanned at a cashier’s station and the information is relayed to the store computer. The computer relays back the price of the item to the cashier’s station. The customer can then be given an itemized receipt while the computer removes the item from stock figures.
EPOS allows for efficient computer stock control and reordering, as well as giving a wealth of information about turnover, profitability on different lines, stock ratios, and other important financial indicators.
Opos is he first widely-adopted POS device standard is OPOS. OPOS was initiated by Microsoft, NCR, Epson, and Fujitsu-ICL to help integrate POS hardware into applications for the Windows™ family of operating systems. OPOS uses COM technology, and is therefore language independent. The acronym stands for "OLE for POS", which is somewhat dated due to the renaming of "OLE" to "ActiveX" and "COM". But OPOS has been retained for historical and recognition reasons.
The first OPOS technical meeting was convened in January, 1995. The first production release, 1.01, was made in March, 1996. Its seventh release, 1.6, was in July, 2001
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Point of sale bundle from $1795 
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