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1. (computing) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories
   "each magnetic core has three wires passing through it, providing the means to select and detect the contents of each bit";
   - core

Derived forms: magnetic cores

Type of: toroid, torus

Part of: core memory, magnetic core memory, RAM, random access memory, random memory, random-access memory, read/write memory

Encyclopedia: Magnetic core