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Computer System Organisation — Information Technology STD 9 — Question

CBSE BoardEnglish MediumSTD 9Information TechnologyComputer System Organisation2 Marks
Question
Name the device which is used to read the barcode. Explain in short.
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Answer

Barcode reader is a device which is used to read the printed code (barcode) from the products to be sold. It contains a light sensitive detector which identifies the values of the bars printed on the product and converts them into a numeric code. This barcode reader technology is used in shopping malls to identify products and generate bills.

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