[Kos] tipped us about an article he made presenting his experiences in designing and implementing a core rope memory. This magnetic read-only memory (ROM), contrary to ordinary coincident-current ...

A string of magnetic cores and sense wires form a simple ROM arrangement, which though long-ago-superceded by semiconductor memory remains possible to recreate by the experimenter. It’s a path ...

It is said. The ' magnetic core memory ' used in such a System / 360 is described on the blog by Ken Shirriff, an engineer who repairs old computers. A look at IBM S / 360 core memory: In the ...