Computers are programmable electronic devices that accept data, execute prerecorded instructions, perform mathematical and logical operations, and output results.
Kiosks and point of sale (POS) systems are used for sale processing and inventory tracking. Examples include electronic cash registers, computerized check-out systems and self-serve kiosks.
Printer mechanisms are used in kiosks, lottery machines, ticketing machines, and cash registers. They include thermal, laser and dot matrix printing technology.
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