• Semi-Hemi-Lemmygod@lemmy.world
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    17 hours ago

    They work through electron tunneling through a semiconductor, so something does go through them like an old punch card reader

    • dual_sport_dork 🐧🗡️@lemmy.world
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      19 minutes ago

      Current ones also store multiple charge levels per cell, so they’re no longer one bit each. They have multiple levels of “punch” for what used to just be one bit.