Lub tshuab Hollerith siv rau dab tsi?
Lub tshuab Hollerith siv rau dab tsi?

Video: Lub tshuab Hollerith siv rau dab tsi?

Video: Lub tshuab Hollerith siv rau dab tsi?
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A Hollerith tshuab yog ib hom kev tsim hluav taws xob tsim hluav taws xob uas tau txais txiaj ntsig raws li cov ntaub ntawv ua haujlwm thoob plaws hauv lub xyoo pua 20th. Cov tshuab siv ib tug system ntawm hluav taws xob thiab mechanical signals, thiab ib txheej ntawm cov xov hlau nyob rau hauv lub pas dej ua ke ntawm mercury, incrementally suav. cov ntaub ntawv ntawm ntawv xuas nrig ntaus ntawv.

Kuj nug, lub tshuab tabulating siv rau dab tsi?

Cov tabulating tshuab yog 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 tau tsim los pab ua cov ntaub ntawv rau 1890 US Census.

Tsis tas li ntawd, Hollerith code yog dab tsi thiab nws siv li cas? Cov Hollerith Code yog a code rau hais txog cov cim alphanumeric rau qhov hauv ib daim npav punched. Nws tau tsim los ntawm Herman Hollerith nyob rau hauv 1888 thiab enabled cov tsiaj ntawv ntawm cov tsiaj ntawv thiab tus lej 0-9 yuav tsum tau encoded los ntawm ib tug ua ke ntawm punches nyob rau hauv 12 kab ntawm ib daim card.

Hauv qhov no, lub tshuab tabulating ua haujlwm li cas?

Cov tshuab tabulating tau tsim nyob rau hauv 1880s 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 xuas nrig ntaus rau hauv cov ntawv teev lus, cov ntaub ntawv xws li hnub nyoog lossis poj niam txiv neej ua tau yuav sawv cev.

Herman Hollerith tau tsim dab tsi yog siv lub tshuab no?

Herman Hollerith (1860-1929) yog tus neeg tsim khoom ntawm lub punched daim ntawv tabulating tshuab -lub precursor ntawm lub computer niaj hnub - thiab ib tug ntawm cov founders ntawm niaj hnub cov ntaub ntawv ua. Nws tshuab yog siv los sau cov ntaub ntawv rau kev suav pej xeem 1890 kom ua tau zoo dua.

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