Optical Storage Devices |
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| Device, Optical Storage; Devices, Optical Storage; Disk, WORM; Disks, WORM; Optical Storage Device; Storage Device, Optical; Storage Devices, Optical; WORM Disk | |
| A computer disk read by a laser beam, containing data prerecorded by a vendor. The buyer cannot enter or modify data in any way but the advantages lie in the speed of accessibility, relative immunity to damage, and relatively low cost of purchase. | |