Nostalgia buffs who lived through computing in the 1970s will enjoy some magnificent photos shared in a blog post by Ryszard Milewicz. These photos give three views of a ferrite core memory plane. The photo from this blog is a part of one of Mr. Milewicz’ close-up photos.
For those who were not exposed to core memory, this technology was based upon an approach in which every individual bit of a computer’s memory was a tiny donut made of compressed iron powder (“Ferrite”) that had to be hand strung with copper wire into a plane of bits.
A co-worker of The Memory Guy once had a high-speed core memory array that he used as Continue reading “Remembering Core Memory”