Identify all of the input devices at a supermarket self checkout machine what data is input for each device

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asked Apr 12, 2018 186k views

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Chiru · Answer 1 · 2018-04-16T22:11:12+0000

Card reader = magnetic strip/integer, grocery bag weigher = float in lbs, touchscreen = multi data, could be string for name or integer for number of items. Off the top of my head

Identify all of the input devices at a supermarket self checkout machine what data is input for each device

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