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- The project traces its history to 1969, when Busicom Corp. approached Intel to design a family of seven chips for an electronic calculator, three of which constituted a CPU specialized for making different calculating machines. The CPU was based on data stored on shift-registers and instructions stored on ROM (read-only memory).
en.wikipedia.org/wiki/Intel_4004
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Busicom Co., Ltd. (ビジコン株式会社, Bijikon Kabushiki-gaisha) was a Japanese company that manufactured and sold computer-related products headquartered in Taito, Tokyo. It owned the rights to Intel's first microprocessor, the Intel 4004, which they created in partnership with Intel in 1970.
It included a central processing unit (CPU) chip—the 4004—as well as a supporting read-only memory (ROM) chip for the custom applications programs, a random-access memory (RAM) chip for processing data, and a shift-register chip for the input/output (I/O) port.
The Intel 4004 is a 4-bit central processing unit (CPU) released by Intel Corporation in 1971. Sold for US$60 (equivalent to $450 in 2023 [2]), it was the first commercially produced microprocessor, [3] and the first in a long line of Intel CPUs.
Nov 15, 2021 · A 4-bit binary logic chip, the 4004 was designed as an alternative to a series of more specific chips that used a decimal architecture by a team that included Busicom's Masatoshi Shima,...
- Michael J. Miller
- Former Editor in Chief
Nov 12, 2021 · On November 15, 1971, Intel publicly debuted the first commercial single-chip microprocessor, the Intel 4004, with an advertisement in Electronic News. Fifty years later, here's a look at its legacy---and how the 4004 stacks up against a modern Intel powerhouse.
Jul 2, 2018 · The Intel 4004 was the world’s first microprocessor—a complete general-purpose CPU on a single chip. Released in March 1971, and using cutting-edge silicon-gate technology, the 4004 marked the beginning of Intel’s rise to global dominance in the processor industry.
Nov 15, 2021 · As the world’s first commercially available microprocessor, the Intel 4004 enabled the convergence of the technology superpowers – ubiquitous computing, pervasive connectivity, cloud-to-edge infrastructure and artificial intelligence – and created a pace of innovation that is moving faster today than ever.
