Computing-Tabulating-Recording Co: Difference between revisions
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Later '''International Business Machines''' (IBM). | Later '''International Business Machines''' (IBM). | ||
1880s Herman Hollerith invented the punched-card technology for use in the US census<ref>[http://www.jharper.demon.co.uk/btm1.htm] BTM</ref>. | 1880s [[Herman Hollerith]] invented the punched-card technology for use in the US census<ref>[http://www.jharper.demon.co.uk/btm1.htm] BTM</ref>. | ||
1896 Hollerith formed a small business in the United States to manufacture and market his machines. | 1896 Hollerith formed a small business in the United States to manufacture and market his machines. | ||
Revision as of 13:14, 21 April 2018
Later International Business Machines (IBM).
1880s Herman Hollerith invented the punched-card technology for use in the US census[1].
1896 Hollerith formed a small business in the United States to manufacture and market his machines.
1902 Tabulating Machine Company (or TMC) owned the rights to Hollerith's machines[2].
1908 The Tabulating Machine Company (TMC) gave an exclusive license to the British Tabulating Machine Co of London to market its punched-card machines in Britain and the Empire.
1911 TMC became part of the Computing-Tabulating-Recording Co (C-T-R).
1924 C-T-R was renamed International Business Machines - IBM.
See Also
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