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Story Chip was founded in 2009 by Jean Pamela McGavin and her brother Lee McGavin and later renamed History Chip. It is an archive of non-fiction, personal narratives for the expansion of contemporary history by including stories and experiences of all members of society. Its current director is Jean McGavin.
The earliest multi-chip microprocessors were the Four-Phase Systems AL-1 in 1969 and Garrett AiResearch MP944 in 1970, developed with multiple MOS LSI chips. [176] The first single-chip microprocessor was the Intel 4004 , [ 177 ] developed on a single PMOS LSI chip. [ 176 ]
The history of computing hardware starting at 1960 is marked by the conversion from vacuum tube to solid-state devices such as transistors and then integrated circuit (IC) chips. Around 1953 to 1959, discrete transistors started being considered sufficiently reliable and economical that they made further vacuum tube computers uncompetitive .
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Mostek's device took longer to develop but was the world's first single chip calculator, the MK6010, used for the Busicom LE-120A which went on the market in 1971 and was the smallest calculator available for some time. [3] Hewlett-Packard also contracted with Mostek for design and production of chips for their HP-35 and HP-45 calculators. [4]
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By reducing the number of flawed chips, from about 70% to 10%, the cost of complex designs like early microprocessors fell by the same amount. Systems based on contact aligners cost on the order of $300 in single-unit quantities, the MOS 6502 , designed specifically to take advantage of these improvements, cost only $25.
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