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Data Storage & Memory · Recorded milestone

CD-ROM

Recorded year1985

Optical discs hold encyclopaedias and software.

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Built on

MOSFETRecorded · 1959requires
Personal computerRecorded · 1975requires
Compact discRecorded · 1982enables

Led to

Multimedia encyclopediaRecorded · 1993enables

Sources & evidence

Additional source

Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.