Burroughs

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Burroughs Factory (then American Arithmometer Company) in Saint Louis in 1903

Burroughs is an American IT company that has had a number of accomplishments in the early stages of information processing.

The company was founded in 1886 under the name of American Arithmometer Company and was involved in the production and sale of the first commercially successful calculating machines, invented by William Seward Burroughs. In 1905, for its honor, it was renamed the Burroughs Adding Machine Company, and in 1911 it introduced the first addition and subtraction machine. In 1923 Burroughs developed a direct-to-multipurpose post-accounting machine. In 1925, he developed the first portable (weighing about 20 pounds ≈ 9 kg) machine to add, which greatly popularized machine calculations - by 1928, about a million units were sold. In 1953, the company changed its name to Burroughs Corporation, starting to produce computers, mainly for banks. Burroughs also introduced the first 10-key add-on machine in 1953, and in 1959 developed the character recognition technique.

In 1961, the first dual-processor virtual memory computer, the Burroughs B5000 Series, was developed specifically for Algol programming, with the MCP (Master Control Program) operating system. Some of the solutions implemented in the decade have preceded the Unix machines. In 1981 A Series was released.

In 1986, after a hundred years of existence, Burroughs merged with Sperry Corporation to form Unisys Corporation.



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