Video: Dab tsi yog computer punch cards thawj zaug siv rau?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Punch cards (los yog " xuas nrig ntaus ntawv "), tseem hu ua Hollerith daim npav los yog IBM cards , yog ntawv daim npav nyob rau hauv qhov twg tej zaum yuav xuas nrig ntaus los ntawm tes ormachine los sawv cev lub computer cov ntaub ntawv thiab cov lus qhia. Lawv tau dav dav- siv txhais tau tias ntawm kev nkag mus rau hauv cov ntaub ntawv thaum ntxov khoos phis tawj.
Khaws qhov no rau hauv kev txiav txim siab, thaum twg tau punched phaib thawj zaug?
Tus qauv xuas nrig ntaus card , keeb kwm tsim los ntawm Herman Hollerith, thawj zaug siv rau vitalstatistics tabulation los ntawm New York City Board of Health thiab ntau lub xeev. Tom qab siv qhov kev sim no, punched cards tau tau txais los siv rau hauv kev suav pej xeem xyoo 1890. Hollerith tsis ua haujlwm hauv av!
Ib sab saum toj no, leej twg yog tus inventor ntawm punch card? Herman Hollerith Semyon Korsakov
Kuj Paub, dab tsi yog thawj lub tshuab programmable siv cov ntawv punch?
Hollerith tau tsim thiab siv a xuas nrig ntaus card ntaus ntawv los pab txheeb xyuas 1890 US cov ntaub ntawv suav pej xeem. Nws txoj kev tawg loj heev yog nws siv ntawm hluav taws xob nyeem, suav thiab txheeb xuas nrig ntaus ntawv uas nws lub qhov sawv cev cov ntaub ntawv sau los ntawm the census-takers.
Hollerith code yog dab tsi thiab nws siv li cas?
Cov Hollerith Code yog a code rau relatingalphanumeric cim rau qhov nyob rau hauv ib tug punched card. Cov inventions no yog ib lub hauv paus ntawm cov ntaub ntawv processingindustry thiab Hollerith cov punched cards (tom qab siv rau computer input/output) txuas ntxiv siv rau yuav luag ib puas xyoo.
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