[Red Badger]

I’m 62 and took computer courses in college, when ‘core memory’ was the the thing.................ferrite cores on a wire frame.................

[LouieFisk]

took computer courses in college, when ‘core memory’ was the the thing..ferrite cores on a wire frame..
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There's the problem right there - college courses instead of real life. And it would seem whatever the educational institution, it was a tad behind the technical times; by 1977 there were even some cool home PCs that looked like the below. A bit more than a wire frame and a few electrical parts thrown together.

[Ozark Tom]

The applied art of macrame, of copper wires threaded through arrays of ferrite beads. Never hands-on on any commercial equipment with Core in actual use—had adopted DRAM by that time. Here is a memorable space application for a potential radiation environment.

https://www.theverge.com/2012/4/26/2976471/nasa-core-rope-memory-apollo-guidance-computer