A disk coated with plastic that can store digital data as tiny pits etched in the surface; is read with a laser that scans the surface.
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Storage capacity is the key difference between a Blu-ray optical disc and a DVD.
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The Finder provides no less than three different methods for burning data to an optical disc.
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Then there's the ongoing war between the two competing high-def optical disc formats, Blu-ray and HD DVD.
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HT2543, "About optical disc drive burning and write speeds"
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But there's one area where a big optical disc is still useful: backing up large chunks of data.
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The Others segment provides optical disk drive products and others.
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Dell, Microsoft and Hewlett Packard are among the major buyers of optical disk drives.
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This leaves Blu-Ray as the presumptive victor in the irrelevant optical disk format war.
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He plugged the optical disk into the dashboard slot.
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But at least you get a Thunderbolt port, which looks to the future as much as the optical disk looks to the past.
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When the defendants requested access to it, they were refused access on the grounds that there was classified data on the optical disk.
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The crystals could be read using a device of about the same size as an optical disk drive, but would require a much bulkier apparatus.
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Optical disk drives read or write data on CDs and DVDs.
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One hundred optical disks can store the entire contents of the Library of Congress.
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The second tip is to not rely on optical disks, because they suck as long-term storage.
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Calculated data and images were stored on optical disks to facilitate retrieval and future comparisons in longitudinal studies.
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This firm and Feil of Paris were the only two successful makers of great optical disks in the world.
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The volume of stroke was determined by computerized image analysis of CT films and CT images stored on computer tape and optical disks.
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In the nineteen-eighties, the Archives transferred some two hundred thousand documents and images onto optical disks-thecutting edge of new technology at the time.