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The tabulating machine was an electromechanical machine designed to assist in summarizing information stored on punched cards. Invented by Herman Hollerith, the machine was developed to help process data for the 1890 U.S. Census. Later models were widely used for business applications such as accounting and … 展开
The 1880 census had taken eight years to process. Since the U.S. Constitution mandates a census every ten years to apportion both congressional representatives and direct taxes among the states, a … 展开
The advantages of the technology were immediately apparent for accounting and tracking inventory. Hollerith started his own business as The Hollerith Electric Tabulating System, … 展开
In its basic form, a tabulating machine would read one card at a time, print portions (fields) of the card on fan-fold paper, … 展开
Hollerith's first tabulators were used to compile mortality statistics for Baltimore, Jersey City and New York City in 1886.
The first Tabulating Machine Company (TMC) automatic feed … 展开• Fierheller, George A. (2014). Do not fold, spindle or mutilate: the "hole" story of punched cards (PDF). Stewart Pub. ISBN 978-1-894183-86-4. … 展开
CC-BY-SA 许可证中的维基百科文本 Herman Hollerith’s Tabulating Machine | Smithsonian
Learn how Hollerith invented the punch card tabulating machine in 1888, which revolutionized the 1890 census and led to the formation of I.B.M. The device used punch cards, mercury …
Herman Hollerith | Biography, Tabulating Machine,
2024年10月1日 · Herman Hollerith, American inventor of a tabulating machine that was an important precursor of the electronic computer. Hollerith’s machine recorded statistics by electrically reading and sorting punched cards that had …
赫爾曼·何樂禮 - 维基百科，自由的百科全书
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Herman Hollerith - Wikipedia
Herman Hollerith (February 29, 1860 – November 17, 1929) was an American statistician, inventor, and businessman who developed an electromechanical tabulating machine for punched cards to assist in summarizing information …
The punched card tabulator | IBM
Learn how Hollerith invented an electric-powered counting machine that used punched cards to automate data processing for the US Census Office. Discover how his invention led to the formation of IBM and the binary system of zeros …
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The Hollerith Machine - Census.gov
2024年8月14日 · Herman Hollerith's tabulator consisted of electrically-operated components that captured and processed census data by "reading" holes on paper punch cards. The …
From Herman Hollerith to IBM | Smithsonian Institution
Hollerith quickly became intrigued by the problem of compiling Census statistics. By 1887 he had devised a tabulating system that included cards, a special punch for making holes in them at select locations to represent Census data, a …
Herman Hollerith - Columbia University
Herman Hollerith is widely regarded as the father of modern automatic computation. He chose the punched card as the basis for storing and processing information and he built the first punched-card tabulating and sorting …
Hollerith 1890 Census Tabulator - Columbia University
2023年9月4日 · The story of how the 1890 records (including forms and cards) were destroyed in 1932, before the National Archive was established. The Punched Card Tabulator, IBM 100: "Herman Hollerith's first tabulating …
