KwamfutocinKayan aiki

Mene ne wani CPU?

The kwamfuta ne mai hadaddun na daban-daban na'urorin batutuwa a cikin guda naúrar via bas (da amfani ga ciki aka gyara). Alal misali, wani daga cikin kwamfuta ya hada da memory, CPU, video adaftan, da sauransu. Su halaye ƙayyade overall karshe yi da kuma damar. Daya daga cikin mafi muhimmanci da aka gyara ne tsakiya aiki naúrar. Wani lokaci za ka iya samun sauran sunan: CPU (Eng Tsakiya Processing Unit - ainihin naúrar na sarrafa kwamfuta.), Percents, da na dutse.

Mene ne CPU cikin sharuddan talakawan mai amfani? By misalin tare da jikin mutum za a iya idan aka kwatanta da kashi na kwakwalwa. Shi aikin duk ilmin lissafi computations, da kuma jera samar da wani hulda tsakanin aka gyara. Jiki, da processor ne babbar guntu cewa an shigar a cikin musamman Ramin na motherboard. Ciki shi ya ƙunshi hadaddun dabaru haihuwarka da dama biliyan transistors. Mutane sha'awar wannan tambaya "abin ne CPU», za a iya readily ƙayyade da processor zuwa wasu ciki aka gyara. Bayan duk, shi ne ko da yaushe aiki sanyaya tsarin: manyan karfe zafi kwatami da kuma fan. The bukatar su saboda gaskiyar cewa da amfani da guntu wutar lantarki ne sau da yawa dubun watts. Kananan girma watsi surface da gubar zuwa high ikon dumama jiki CPU cewa bukatar sanyaya.

Processor masana'antun daban shirya dumama tambaya: daya gyara gine-gine, yin sunadaran musaki sauran tubalan, wasu ƙananan samar da wutar lantarki irin ƙarfin lantarki da kuma ake amfani da su samar da sabuwar nasarori ( "bakin ciki" tsari fasahar), da dai sauransu Currently, babban " 'yan wasa", a cikin kasuwar tsakiyar sarrafawa. kwamfyutocin tebur da kwamfyutocin ne biyu da kamfanonin - Intel da AMD. Haka kuma, da sauran kayayyakin more rayuwa da aka gyara zuwa halaye na da kayayyakin.

Sau da yawa tambaya "abin ne CPU» ba a fairly generalize amsoshin. Wannan za a iya bayyana sosai kawai: Yanzu da Kalmar "processor" ya samu gagarumar ma'anar fiye da "ɓangare na kwamfuta." Saboda haka, a kowane zamani wayar hannu yana da wani naúrar cewa ya yi aikin ilmin lissafi lissafin - kuma a processor. Ko masu gudanar da yara toys ne amfani san abin da CPU, domin su ma gabatar da wani mai aiki da na'urar kwamfuta naúrar.

Babu shakka, cewa ba a dauke da manufa na aiki da processor, to fahimtar janar halaye na aikinsa ba zai yiwu ba. CPU aiki iko shirin. Su sets na umarni ga processor, rubuta a wani shirye-shirye da harshen. Jiki magana, da shirin Saita ainihin hanya. Kowa ya tuna, ko a kalla ji na Basic shirye-shirye da harshen. A da shi, domin ya jawo wata da'ira a kan allon da aka bukata don yin wani umurni Circle (tsarawa). Modern ka'idodinta shirin kasance iri guda: da aiki don ƙirƙirar wata tawagar shirye-shirye harsuna. A lokacin da ka gudu shirin a kan wani kwamfuta na musamman software decoder sabobin tuba da umurnin da harshen amfani a cikin na'ura code for kai tsaye aiki a kan CPU. Wannan code - binary, wakiltar wani jerin wadanda kuma zeros. Mutane da yawa ba zai iya fahimtar dalilin da ya sa aka yanke shawarar yin amfani da binary tsarin, maimakon saba da gidan goma. A gaskiya, duk abin da aka bayyana sosai kawai: da ragowa iya yi biyayya da dokokin da transistors kansu. Alal misali, tun muna magana ne game da dijital da na'urorin, za ka iya kwatanta adadin "1" kamar yadda gaban irin ƙarfin lantarki a kan tushen da wani transistor, da kuma "0" - kamar yadda yake babu. Haka kuma, a cikin farkon yanayin, da transistor yana buɗe kuma yanzu ya wuce ta kansa, kuma a karo na biyu - kulle (ba shakka, duk Sauki, kuma tare da wani jam'i na reservations).

A kudi na kisa da umarnin da shirin kayyade processor gudun. Wannan ne ya shafa da gine-gine, da mita na ciki circuitry na aikin, optimizing da code.

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