laser disk


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laser disk

a plastic disk that stores computer data as tiny pits etched in the surface. A laser beam scanning the pits translates the data into a computer language. Laser disks are frequently used for computer-assisted instruction.
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Watermark software also features built-in integration with other FileNET products for Microsoft BackOffice environments, including complementary components for workflow, electronic document management, and computer output to laser disk (COLD).
Products include: DiskExtender(R) for automated data storage management with support for WORM, erasable optical, CD-ROM, and tape; ApplicationExtender(R) for document imaging and scanning; ColdExtender(R) for Computer Output to Laser Disk (COLD) applications; WorkflowExtender(TM) for workflow applications; and ReportExtender(TM), CD-ROM publishing software.
Bedard said that ablative WORM -- designed for banking, finance, medical, and government applications such as Computer Output to Laser Disk (COLD), document imaging and the rapidly growing applications for optical storage like Internet and email servers as well as audio and video preservation -- makes it physically impossible to modify the data on the disk.
In 1972 laser disks (also called compact disks) became practical.
Preprogrammed laser disks literally squeeze an entire accounting library onto a few feet of shelf space and make all the information available at the touch of a button.
Previously the audio and motion control were handled by multiple pieces of equipment utilizing tapes, CD ROMs or laser disks for information storage and playback.

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