Describe how a light sensor is used to read a barcode.

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Cambridge IGCSE Computer Science Coursebook

ISBN: 9781107518698

1st Edition

Authors: Sarah Lawrey, Donald Scott

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Question Posted: Sep 06, 2021 02:28 AM

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Describe how a light sensor is used to read a barcode.

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All barcode readers use a light source and sensors to detec...View the full answer

Cambridge IGCSE Computer Science Coursebook

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