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Line 5: [[Image:EAN-13-ISBN-13.svg\|thumb\|220px\|ISBN represented as [[European Article Number\|EAN-13 bar code]] showing both machine-readable and human-readable data]] Common machine-readable [[data storage device\|data storage]] and [[data transmission]] technologies include processing [[waveform]]s, [[optical character recognition]] (OCR) and [[barcode]]s. Any information retrievable by any form of energy can be machine-readable. Examples include: *[[Acoustics]]

Machine-readable medium and data: Difference between revisions