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प्रश्न
Explain the following.
Bar code/QR code Reader
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उत्तर
- A Bar code is a pattern printed in lines of different thicknesses.
- The Bar code reader scans the information on the bar codes transmits it to the computer for further processing.
- The system gives fast and error-free entry of information into the computer.
Quick response (QR) code: The QR code is the two-dimension bar code that can be read by a camera and processed to interpret the image.
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