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Optical Storage Devices
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ALSO CALLED: WORM Drives, Optical Disk Libraries, Jukeboxes, Write-Once-Read-Many Devices, Optical Storage, Optical Jukeboxes, Write-Once-Read-Many Drives, and WORM Devices
DEFINITION: An optical disc is an electronic data storage medium that can be written to and read using a low-powered laser beam. Originally developed in the late 1960s, the first optical disc, created by James T. Russell, stored data as micron-wide dots of light and dark. A laser read
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ROADM towards a Fully Flexible DWDM Network
| sponsored by ECI Telecom
WHITE PAPER:
This whitepaper surveys reconfigurable optical add-drop multiplexer (ROADM) technologies, network architectures, and highlights the ECI Telecom approach to implementing a fully flexible dense wavelength division multiplexing (DWDM) network.
Posted: 22 Jul 2008 | Published: 01 Jul 2008
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Best Practices: From WORM to Worst
| sponsored by Storage Magazine
JOURNAL ARTICLE:
Everyone thinks about online data in the same way: You write it, read it, rewrite it and keep it forever. But many organizations have far more data that's written once, read a few times and kept alive forever.
Posted: 14 Feb 2007 | Published: 01 Feb 2007
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OPTICAL STORAGE DEVICES DEFINITION (continued): … the dots, and the data was converted to an electrical signal, and finally to audio or visual output. However, the technology didn't appear in the marketplace until Philips and Sony came out with the compact disc ( CD) in 1982. Since then, there has been a constant succession of optical disc formats, first in CD formats, followed by a number of DVD formats. Optical disc offers a number of advantages over magnetic storage media. An optical disc holds much more data. The …
Optical Storage Devices definition sponsored by SearchStorage.com, powered by WhatIs.com an online computer dictionary
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