Wann wurde die Tabelliermaschine erfunden?
Die erste Tabelliermaschine wurde ursprünglich für Eisenbahngesellschaften und für die Volkszählung 1887 in den USA konzipiert und eingesetzt, ein Hilfsmittel der Statistik. Hier wurden Lochkarten per Hand eingelegt und die Daten entsprechend dem Programm ausgezählt.
Wer hat die Lochkartenmaschine erfunden?
Herman Hollerith
Die später im Computerbereich weit verbreitete Lochkarte geht auf die US-amerikanische Volkszählung 1890 zurück, zu der Herman Hollerith ein auf Lochkarten basierendes Verfahren einschließlich der zugehörigen Stanz- und Auswertemaschinen (Tabelliermaschinen) entwickelte.
Who is Herman Hollerith and what did he do?
Herman Hollerith. Herman Hollerith was an American statistician who invented one of the first modern data processors. Hollerith was born in 1860 to German immigrant parents in Buffalo, New York. He studied at City College of New York and then at Columbia University School of Mines, from where he graduated in 1879.
What is the significance of the story of Erving Hollerith?
Hollerith’s story epitomizes the entwinement of German and American relations as well as the misuse of ethnic identity. This component of his legacy contrasts sharply with his life in the United States, during which he barely used or identified with his German lineage and made few contacts with his European relatives.
What did Hollerith invent in 1884?
In 1884, Hollerith was awarded his first patent and a contract to test the merits of his new machine. In spite of some problems, the test of mortality statistics at the Baltimore Office of Registration was successful enough that the machine was subsequently used in New Jersey and New York City for similar purposes.
What did George Hollerith do for the census?
Hollerith initially did business under his own name, as The Hollerith Electric Tabulating System, specializing in punched card data processing equipment. He provided tabulators and other machines under contract for the Census Office, which used them for the 1890 census.