Machine-readable medium and data: Difference between revisions

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ocr is not machine-readable data as such
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Examples of machine-readable media include magnetic media such as [[Disk storage|magnetic disk]]s, cards, [[magnetic tape|tapes]], and [[magnetic drum|drums]], [[punched card]]s and [[paper tape]]s, [[optical disk]]s, [[barcode]]s and [[Magnetic Ink Character Recognition|magnetic ink characters]].
 
[[Image:EAN-13-ISBN-13.svg|thumb|220px|ISBN represented as [[European Article Number|EAN-13 bar code]] showing both machine-readable bars and human-readable datadigits]]
 
Common machine-readable [[data storage device|data storage]] and [[data transmission|transmission]] technologies include magnetic recording, processing [[waveform]]s, and [[barcode]]s. [[Optical character recognition]] (OCR) can be used to enable machines to read information available to humans. Any information retrievable by any form of energy can be machine-readable. Examples include: