jan 27, 1971 - Intel 1103 Memory Chip marks the beginning of DRAM

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The introduction of the 1 KB Intel 1103 memory chip marks both the beginning of the end for the use of magnetic core in computers -- in use since the mid-1950s -- and the start of the semiconductor dynamic random-access memory (DRAM) integrated circuit memory. The 1103 sold slowly at first, but this likely helped the development team at Intel, which was still ironing out details about the chip's specifications after its initial release. However, at a price of 1¢ per bit and with a speed compatible with existing logic circuits, sales soon skyrocketed.

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