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Amasistimu Wokuphatha Isizindalwazi nama-DBMS

Umlando wobuchwepheshe bolwazi ezinhlanganweni

Izinkampani ziqala ukusebenzisa ama-automatisms nemishini ngisho nangaphambi kokufika kwamakhompiyutha, isibonelo ekuqaleni kwawo-1900 kwasetshenziswa imishini ukuhlela ihhovisi lokubhalisa ngamakhadi a-odiwe kanye nezindlela zokukhetha, noma ukufingqa imininingwane nama-akhawunti, njenge-Tabulating. noma Imishini Yokubala.

I-International Business Machines, i-IBM, yazalelwa kulo mkhakha: ekuqaleni yayithengisa izinhlelo zokukhokha, ezenziwa izikhathi eziyizinkulungwane ngenyanga; ngakho-ke kwakukhona izinhlelo zokukhiqiza ama-invoyisi, kodwa hhayi ezokuphatha: izibalo ayenziwanga futhi yayingekho indawo yokugcina amanani amakhulu. idatha.

A metà degli anni 30 e degli anni 40, tre gruppi di lavoro principali lavorano sui calcolatori elettronici programmabili: Alan Turing in Inghilterra, con l’obiettivo di realizzare un sistema di crittazione per scopi bellici, Konrad Zuse in Germania (da alcuni reputato il vero inventore del calcolatore elettronico) e John von Neumann con il team dell’ENIAC in America. Gli americani in particolare hanno avuto il merito, dopo la guerra, di vedere un ruolo dei calcolatori all’interno delle organizzazioni e di introdurli quindi in questi ambienti.

Nokho, umqondo wekhompiyutha ehlelekayo wandulela lesi sikhathi: kakade phakathi nawo-1800 uCharles Babbage wayeseklame umshini womshini ukuze enze izibalo, "injini ehlukile". Kodwa-ke, lo mshini wathinteka ngenxa yezinkinga zemishini futhi awukaze wakhiwe yi-Babbage (umkhiqizo ngokwezinhlelo zangempela waqedwa ngo-1991, iScience Museum in. London). Kamuva uBabbage waklama "injini yokuhlaziya," umshini oyinkimbinkimbi nakakhulu, owawusebenzisa amakhadi ashaywayo, futhi owawukwazi ukuhlelwa ngokuthanda kwakho. Yayineyunithi ye-arithmetic, isilawuli sokugeleza kanye nenkumbulo: kwakuwumklamo wokuqala wokubala we-Turing-complete.

Ekupheleni kwawo-50 kwaqashelwa ukuthi ikhompuyutha ingasetshenziswa ebhizinisini nasekuphathweni komphakathi, inhlangano yayo eyayihlushwa ubuningi bemishini. idatha. Ngenxa yezindleko eziphakeme, izinhlangano ezinkulu kuphela nezikhungo zocwaningo (ezifana nesikhala) kanye namasosha ayengakwazi ukukhokhela umshini wokubala.

Ngama-60s, ubuchwepheshe bolwazi ekugcineni bungena ezinkampanini ngendlela esabalele futhi ngenxa yeqhaza le-IBM, ethuthukisa i-mainframe yokuqala, i-System/360 (1964), eklanyelwe ukuba nokusabalalisa okubanzi kakhulu ezinhlanganweni ezimaphakathi/ezinkulu zangaleso sikhathi. .

In quell’epoca anche in Italia vi era una produzione di calcolatori elettronici per le organizzazioni, grazie ad Olivetti. Quest’azienda era composta da due gruppi di lavoro: a I-Pisa umklamo womqondo nongokwenyama womshini wenziwa, e-Ivrea kwakukhona isikhungo sokuhweba sokuthengisa nokuxhumana nekhasimende. Ukuthuthukiswa kwamakhompiyutha, kule nkathi, kwakuyinselele kanye ne-adventure, njengoba izinqubo zokuthuthukiswa zazingakatholakali eziqinisekisa ukwakhiwa kwemishini esebenziseka kakhulu.

Ngokuhamba kwesikhathi lobu buchwepheshe basakazeka futhi ikhompuyutha yaba yindlela yokuphatha lonke ulwazi olungase lufakwe ikhodi.

Namuhla, uma kuqhathaniswa neminyaka engu-40 edlule, i-computing ishintshe kakhulu. Kube nokuthuthuka okuningi kusukela ngesikhathi sokushaywa kwamakhadi, kodwa ngokudabukisayo kube nezinkinga ezingenakugwemeka ezibangelwa ushintsho oludingekayo. Njengamanje, ngaso sonke isikhathi lapho sethula ushintsho kufanele sibhekane nobuchwepheshe obukhona (ifa), ngokuvamile obungabhalwanga kahle noma obungabhalwanga nhlobo, sibone kusengaphambili ukuhlanganiswa nezikhathi zokufuduka, kungqubuzana nokumelana nabasebenzisi.

Enhlanganweni yezinkampani kukhona idrayivu ebheke ekusetshenzisweni okuqhubekayo kwamakhompiyutha ngezizathu ezahlukahlukene. Okucindezela kakhulu amanani amakhulu we idatha ukuphatha, ulwazi ngokuvamile olungahlelekile, kanye nesidingo sokwenza izibalo eziphindaphindwayo noma eziyinkimbinkimbi.

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