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bar code scanners

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**bar code scanners**

What is bar code scanners?

A bar code scanner (or bar code reader) is an electronic device used for reading printed bar codes. Like a flatbed scanner, it consists of a light source, a lens and a light sensor translating optical impulses into electrical ones. Additionally, nearly all bar code readers contain decoder circuitry analyzing the bar code's image data provided by the sensor and sending the bar code's content to the scanner's output port. Bar code scanners are commonly used in retail, warehousing, and logistics to quickly and accurately identify products and track inventory.

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