With rewritable optical media, the laser permanently alters the disc surface.

Name: With rewritable optical media, the laser permanently alters the disc surface.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

With rewritable optical media, such as CD-RW and DVD-RW, the laser heats up a phase-change material on the disc surface to change its physical state, but it does not permanently alter the disc surface. This allows the disc to be rewritten multiple times.

With Rewritable Optical Media, the Laser Permanently Alters the Disc