Question

write short note POS machine​

Answer 1

Answer:

A POS (Point of Sale) system is the combination of software and hardware to facilitate your business operations. ... Hardware may include a computer, a physical terminal, a scanner, a printer, and other devices to operate the point-of-sale software.

Explanation:

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Answer 2

Answer:

point-of-sale (POS) terminal is a hardware system for processing card payments at retail locations. ... Portable devices (i.e., not terminals anchored to a counter), either proprietary or third-party, as well as contactless capabilities for emerging forms of mobile payments, represent the next generation of POS systems.