Ghost in the shell
a 4K bit CDC 6600 core memory plane from the core memory conference room: https://www.flickr.com/photos/jurvetson/8007180700 This was the industry standard for electronic memory before DRAM and SRAM and Flash. Data was stored in the magnetization direction of each ring. It is a non-volatile memory, and relatively immune to radiation and soft errors, much like MRAM today.
Leave a Reply