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CD-R's can be written only once, because a) Bits are packed so densely that the change of any of them would porduce a cascade of
| CD-R's can be written only once, because |
| a) | Bits are packed so densely that the change of any of them would porduce a cascade of changes of its |
| b) | Lasers destroy the magnetic charge irreversibely |
| c) | Lasers burn the surface of the disk |
not only one can be correct
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Database Concepts
Authors: David M Kroenke, David J Auer
6th Edition
0132742926, 978-0132742924
