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Graph of Magnetic-core memory
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Magnetic-core memory
Mercury delay-line memory
Semiconductor memory
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Magnetic-core memory
→
Mercury delay-line memory
replaces
Magnetic-core memory provides random access and retains data without power, gradually replacing delay lines in main memory.
Semiconductor memory
→
Magnetic-core memory
replaces
Once MOS DRAM became competitive in unit cost and density, it began replacing magnetic-core arrays in computer main memory.