Question:medium
_____ retrieves coded pricing information using a laser beam for various items.
_____ retrieves coded pricing information using a laser beam for various items.
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Barcode scanners use laser beams to quickly read product information in retail stores.
Updated On: Mar 27, 2026
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Solution and Explanation
Topic: Retail Technology / Barcoding
Step 1: Understanding the Question:
Identify the device that uses laser technology to read the black-and-white lines (barcodes) on product packaging.
Step 2: Detailed Explanation:
The "Barcode Scanner" emits a laser beam that reflects off the barcode.
The variations in light intensity are translated into electronic data, which the computer uses to look up the price and name of the item in its database.
Step 3: Final Answer:
The device is a Barcode Scanner.
Step 1: Understanding the Question:
Identify the device that uses laser technology to read the black-and-white lines (barcodes) on product packaging.
Step 2: Detailed Explanation:
The "Barcode Scanner" emits a laser beam that reflects off the barcode.
The variations in light intensity are translated into electronic data, which the computer uses to look up the price and name of the item in its database.
Step 3: Final Answer:
The device is a Barcode Scanner.
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