Whakawaehere o ngā mōhiohio kuputuhi i roto i te rorohiko

Rorohiko - he pūrere mātanga ki e taea e koe te waihanga, tahuri, ka rokiroki mōhiohio. Heoi, e kore e te rorohiko mahi ara rawa mārama mo tatou - whakairoiro, kuputuhi me te raraunga tau te rongoa rite huānga ā-rua tau. I roto i tēnei tuhinga ka titiro tatou ki te pehea te whakawaehere o te mōhiohio kuputuhi.

He aha hoki matou ko te kuputuhi o te rorohiko - he raupapa o ngā pūāhua. Ia tohu tohu te huinga etahi o ngā kore, me te hunga. I raro i te tikanga o nga tohu e kore anake o runga, me te take o raro pukapuka o te Latin tātai reta, engari ano hoki tohu kārawarawatanga, tohu tauhanga, pūāhua motuhake, tohu motuhake, me te ara wāhi.

whakawaehere ā-rua o te kōrero tuhi

Mā te pēhi i te tetahi matua i runga i te kaiwhakahaere ā-e tuku he tohu hiko tahuri e te ki te waehere-rua. ki āu Code te ki te tetahi tohu, whakaaturia nei i runga i te mata. Hoki tāpaetanga ki te tātai reta Latin i roto i te ASCII hōputu mamati Tapa pūnaha ao i hanga. E titau te reira 1 paita mō te tuhi i tetahi tohu te kupu ngā o waru-tohu raupapa o ngā kore, me te hunga. Ko te wā tuhi - i 00000000 ki 11111111, arā waehere o ngā mōhiohio kuputuhi te whakamahi i tenei pūnaha taea ki tatou tohu 256 pūāhua. I roto i te nuinga o te wā, he nui tenei.

Kei te wehea ASCII kia rua nga wahi. Ko te pūāhua 127 tuatahi (i 00000000 ki 01111111) e ao, me te he tohu motuhake me pukapuka o te tātai reta Ingarihi. Ko te wāhanga tuarua - te toronga (i 10000000 ki 11111111) - te tikanga kei te ki tohu te tātai reta motu, he rerekē i te Latino te tuhituhi o nei.

hanga mōhiohio kuputuhi whakawaehere i roto i te ASCII kei i runga i te parau tumu o te whakanui ake raupapa, arā, te nui te tau raupapa o pukapuka, te nui te uara o ona ASCII-waehere. E hanga Whika me wahi Russian o te tepu i runga i te parau tumu taua.

Heoi, i roto i te ao i reira e rave rahi momo o whakawaehere mō Cyrillic pukapuka. Ko te tino noa - he Koi-8 (whakawaehere moka-waru kua e kua whakamahia hoki i roto i te 70 i roto i te pūnaha mahi Unix ruifitsirovannyh tuatahi), ISO 8859-5 (whakawhanakehia e te International Waeine Bureau), te CP 1251 (Tapa mōhiohio tuhi whakamahia i roto i te hou OS Windows), me te whakawaehere 2-paita o Waehereao, e taea te whakamahi ki te whakamōhio 65,536 pūāhua. Taua he momo o whakawaeheretanga tika ki te meka i whakawhanakehia ratou i nga wa rerekē, mō ngā pūnaha whakahaere rerekē me whakaaro rerekē. No te mea o tenei, maha i fifi ka whakawhiti kuputuhi i tetahi reo ki tetahi - i te ōrite whakawaehere te kaiwhakamahi e kite i te huinga o ngā ata huanane. Me pehea ahau e taea e whakatika tenei āhuatanga? I roto i te Kupu, mo te tauira, i te wahanga he tuhinga e, he karere e pā ana ki ngā raruraru ki te whakaatu kuputuhi, me te tuku maha kōwhiringa mō te transcoding.

Ko te kupu, waehere me te tukatuka o ngā mōhiohio tuhi i roto i whekau o te rorohiko - he uaua me te wa-kai whakaritea te tukanga. tohu katoa o tetahi tātai reta e etahi anake te raupapa o ngā mati o te pūnaha ā-rua, kotahi pūtau - he kotahi paita o ngā mōhiohio tenei.