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Toggle the table of contents. Hollerith constant. 1 language. ... Hollerith constants, ... This led to a great deal of shifting and masking code using non-standard ...
Toggle the table of contents. Punched card. ... Derived from, and compatible with, the Hollerith Code, ensuring compatibility with existing punched card files.
Herman Hollerith (February 29, 1860 – November 17, 1929) was a German-American statistician, inventor, and businessman who developed an electromechanical tabulating machine for punched cards to assist in summarizing information and, later, in accounting.
Hollerith started his own business as The Hollerith Electric Tabulating System, specializing in punched card data processing equipment. [10] In 1896 he incorporated the Tabulating Machine Company. In that year he introduced the Hollerith Integrating Tabulator, which could add numbers coded on punched cards, not just count the number of holes.
The Hollerith Electronic Computer (HEC) was produced by the British Tabulating Machine Company (BTM) and was based on a design by Professor Andrew Booth of Birkbeck College, London. [1] It was Britain's first mass-produced business computer.
Replica of Hollerith tabulating machine with sorting box, circa 1890. The "sorting box" was an adjunct to, and controlled by, the tabulator. The "sorter", an independent machine, was a later development. [15] 1884: Herman Hollerith files a patent application titled "Art of Compiling Statistics"; granted U.S. patent 395,782 on January 8, 1889.
Dehomag was a German subsidiary of IBM and later a standalone company with a monopoly in the German market before and during World War II. [1] The word was a syllabic abbreviation for Deutsche Hollerith-Maschinen GmbH (English: German Hollerith Machines LLC).
Contents move to sidebar hide (Top) 1 July 9. ... 1.5 Why was 0-1 not used for 'S' in Hollerith code? 5 comments. Toggle the table of contents.