Babban harshe a cikin Bayanin shirye-shirye!

Koyi a ko'ina cikin wannan labarin Menene babban harshe a cikin shirye -shirye? Kuma saboda yana da matukar mahimmanci a duniyar komputa.

Babban-yare-2

Harshe mai girma

Harshe ne mafi kusanci ga yaren halitta na ɗan adam, ba harshe mafi kusanci ga yaren binary na kwamfuta ba. The manyan harsuna saboda haka, suna ba masu shirye -shirye damar rubuta umarnin shirin ta amfani da kalmomi ko maganganun nahawu sosai da Ingilishi.

Misali, a yaren C, zaku iya amfani da kalmomi kamar manyan haruffa, idan, don, yayin. Ƙirƙirar waɗannan maganganun tare da su: Idan (lamba> 0) printf ("lamba tabbatacciya ce").

An fassara shi zuwa Mutanen Espanya yana nufin: idan lambar ta fi sifili, rubuta saƙon nan akan allon: «Lambar tabbatacciya ce». The manyan harsuna ana nuna su ta hanyar bayyana algorithms ta hanyar da ta dace da ilimin ɗan adam maimakon aiwatar da injin, wanda shine dalilin da yasa ake ɗaukar waɗannan yarukan manyan harsuna saboda suna iya amfani da kalmomin da masu shirye -shirye za su iya fahimta cikin sauƙi.

wasu manyan harsuna sune: Ada, BASIC, COBOL, FORTRAN, Pascal

Wani muhimmin fasalin waɗannan manyan harsuna shine don yawancin umarni, ana buƙatar matakai da yawa don bayyana abu ɗaya a cikin yaren taro. Kamar yawancin harsuna, yana kuma haɗa matakai da yawa a cikin yaren injin.

Babban fasali na harshe

Harshen wannan nau'in yana nufin mafi girman matakin ƙirar harshe na inji, harsuna ba sa ma'amala da rajista, adiresoshin ƙwaƙwalwa da tarin kira, amma a koma ga madaidaitan masu canji, tsararru, abubuwa, lissafi ko maganganun Boolean, ƙira da ayyuka, madaukai , zaren, rufewa, da sauran dabarun sarrafa kwamfuta. A takaice, an mai da hankali kan saukin amfani, ba ingantaccen tsarin shirin ba.

Abũbuwan amfãni

Fa'idodin da ke da alaƙa da babban harshe sune kamar haka:

  • Idan aka kwatanta da sauran yaruka, lokacin horaswa ga mai shirye -shiryen yana da ɗan gajeren lokaci.
  • Shirye -shiryen yana dogara ne akan ƙa'idodin ƙa'idodi irin na ɗan adam.
  • Sunan umarni, kamar KARANTA, RUBUTA, Buga, BUDE, da sauransu.
  • Gyarawa da daidaita shirye -shirye sun fi sauƙi.
  • Rage farashin shirin jigilar kaya.

disadvantages

Illolin da suka shafi harshe mai girma sune kamar haka:

  • Lokacin saiti yana ƙaruwa saboda ana buƙatar fassarori daban -daban na shirin tushen don samun shirin ƙarshe.
  • Ba a amfani da albarkatun injin na cikin gida kuma an fi amfani da su a cikin injin da yaren taro.
  • Ƙafar ƙafar ƙwaƙwalwar ajiya. Lokacin aiwatar da shirin ya fi tsayi.

Babban-yare-3

Tarihin harshe mai girma

A cikin shekarun 1940 aka haifi kwamfutar lantarki ta zamani ta farko. Ƙuntataccen saurin gudu da ƙarfin ƙwaƙwalwa yana tilasta masu shirye -shirye su rubuta shirye -shiryen harshe na taro mai daidaitacce.

A ƙarshe sun fahimci cewa shirye -shiryen yaren taro yana buƙatar aikin kwakwalwa da yawa kuma yana da kuskure sosai.

A cikin 1948, Konrad Zuse ya buga wata kasida akan yaren shirye -shiryen Plankalkül. Duk da haka, wannan bai samu nasara ba a rayuwarsa, kuma gudummawar tasa ba ta da alaƙa da sauran abubuwan ci gaba.

Wasu muhimman harsuna da aka bunƙasa a wannan lokacin sun haɗa da:

  • 1943-Plankalkül (Mutunta Conrad), wanda aka ƙera amma ba a aiwatar da shi ba na rabin ƙarni.
  • 1943-An haifi tsarin lambar ENIAC.
  • 1949-1954-jerin jerin koyarwar mnemonic, kamar saitin umarnin mnemonic ENIAC.

Ya mai karatu ku kasance tare da mu kuma ku karanta: C ++ shirye -shirye.


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