It derives from the initials of the words Point Of Sale. It is also used to describe the device through which a transaction is made.
POS derives from the initials of the words Point Of Sale, which indicates the place and time when a transaction is completed.
It is common, however, when we say POS to mean the terminal (the device) through which we can make e-transactions at a physical location.
The new POS technology is Android which offers many new features and better service.
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