Lub tshuab tabulating ua dab tsi?
Lub tshuab tabulating ua dab tsi?

Video: Lub tshuab tabulating ua dab tsi?

Video: Lub tshuab tabulating ua dab tsi?
Video: Celena Lor Ft. Keeneng Vaj - Ib Ntwg Cua Tshaub [Official MV] 2024, Lub peb hlis ntuj
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Cov tabulating tshuab yog ib tug electromechanical tshuab tsim los pab hauv kev sau cov ntaub ntawv khaws tseg rau ntawm daim npav punched. Tsim los ntawm Herman Hollerith , cov tshuab yog tsim los pab ua cov ntaub ntawv rau 1890 US Census.

Ib yam li ntawd, nws tau nug, lub tshuab tabulating ua haujlwm li cas?

Cov tabulating tshuab yog tsim nyob rau hauv lub xyoo 1880 los ntawm American statistician Herman Hollerith . Nws yog ib qho khoom siv hluav taws xob uas nrawm nrawm thiab txheeb xyuas cov ntaub ntawv sau tseg ntawm cov ntawv xuas nrig ntaus. Los ntawm kev xuas lub qhov rau hauv cov ntawv teev lus, cov ntaub ntawv xws li hnub nyoog lossis poj niam txiv neej tuaj yeem sawv cev.

Ib sab saum toj no, puas yog lub tshuab tabulating ua tiav? Hollerith's tabulating system yeej ib qho khoom plig kub ntawm 1889 Ntiaj Teb Kev Ncaj Ncees hauv Paris, thiab tau siv ua tiav xyoo tom ntej los suav cov txiaj ntsig ntawm 1890 Census. Nws cov inventions tsim qhov pib ntawm lub tuam txhab uas yuav dhau los ua IBM.

Tom qab ntawd, lo lus nug yog, cov ntaub ntawv tau muab tso rau hauv lub tshuab tabulating li cas?

Lub pantograph siv los tsim cov ntawv punch. Pib tabulating cov ntaub ntawv , cov ntaub ntawv suav pej xeem yuav tsum tau xa los ntawm cov sijhawm suav pej xeem mus rau cov ntawv xuas nrig ntaus ntawv siv cov neeg ua phem punches thiab pantographs. Siv cov cuab yeej no, Census Bureau clerks "punched" txhua daim npav los sawv cev tshwj xeeb cov ntaub ntawv rau lub caij suav pej xeem.

Vim li cas Herman Hollerith tau tsim lub tshuab tabulating?

Herman Hollerith . Herman Hollerith lub invention ntawm a tshuab muaj peev xwm tabulate cov ntaub ntawv encoded nyob rau hauv daim ntawv ntawm lub qhov punched nyob rau hauv daim ntawv phaib dramatically ceev mus rau lub 1890 United States census, thiab nteg lub hauv paus rau tawg ntawm cov ntaub ntawv ua nyob rau hauv lub xyoo pua nees nkaum.

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