this post was submitted on 30 Jun 2026
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me_irl
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Optical disc, not a magnetic disk.
I think both are technically just as valid, the use is only tradition
It started with branding. Like CD stands for CompactDisc which was a trademarked brand name using this logo.
Edit: I’m wrong. There is a patent for an optical disc that precedes CD and Laserdisc and uses the word Disc on the patent
That’s probably where disc started being used for optical storage. And disk remained being used for magnetic storage.