Te ASCII, pūāhua: whakaahuatanga, tepu o waehere me momo

Ka rite ki mohiotia te, pupuru ana te rorohiko mōhiohio i roto i te puka ā-rua, whakaatu i te reira rite te raupapa o te hunga me ngā kore. Hei whakawhiti atu i te mōhiohio ki te puka e tika ana mō te kai mā te tangata, ia raupapa ahurei o tau ka whakaatu whakakapi e te pūāhua hāngai.

Ko tētahi o nga pūnaha faatanoraa waehere ā-rua ki te tā me te pūāhua mana he ASCII.

I te taumata o te whanaketanga o te hangarau rorohiko nāianei kore e hiahia te kaiwhakamahi ki te mohio te waehere mō ia tohu ngā. Heoi, ko te māramatanga whānui o te āhua o kawea te waehere e i roto i, Ko te tino āwhina, me mo etahi kāwai o ngā tohunga, me te tika katoa.

Waihanga ASCII

I roto i te puka taketake o te waehere i whakawhanakehia ai i te tau 1963, ka whakahoutia rua ka hoki 25 nga tau.

I roto i te putanga taketake o te tepu pūāhua ASCII ngā 128 pūāhua, i muri puta atu putanga, te wahi e ora nga pūāhua tuatahi 128 me waehere whai wāhi ki te tohu waru bit maheretia i mua ngaro.

Neke atu i te nga tau, ko te rongonui tino i roto i te ao i tenei whakawaehere. I te tau 2006 ka mau te wahi ārahi Latin i 1252, a, i te mutunga o 2007, me te mau i tēnei wā he tūranga ārahi mau Waehereao.

kanohi ASCII Rorohiko

He tona waehere ake arā, o 8 pūāhua, e tohu ana i te kore tetahi ranei ia ASCII-pūāhua. Ko te maha mōkito o taua kanohi ko te kore (e waru ngā kore i roto i te pūnaha ā-rua), i te mea te puna o te huānga tuatahi i roto i te ripanga.

Mōrahi waehere ā-rua ki te putanga ASCII o te taketake he null + whitu wae, a i roto i te putanga whānui - waru waeine, hono rite te waru te bit.

pūāhua mana

E huaina pūāhua mana tohu e kore e e whai i te kanohi kauwhata me te whakamahia mo te whakahaere o te kuputuhi, whakahaere pūrere, me ētahi atu kia tohu ratou te timatanga ranei mutunga o te kuputuhi, ripa, whakaputa i te tohu oro, ngā ngā mahi mō te TTY (Patowhakaata - .. Machine mō te tuku raraunga hongere hiko) taumira o te raraunga pūrere putanga, etc. whakakorenga mahi.

I roto i te tepu pūāhua ASCII whakaneke 0 ki te 31, me 127 e tohaina mō pūāhua mana. Tapeke o 33 tohu.

Ko te toe pūāhua

Kua waiho e te 95 tūranga toe mō tohu tuhi me ngā mahi pāngarau, mati-ira, pukapuka o te tātai reta, rēhita rerekē: "A" me te whakapaipai "He" fekau'aki whakapae ki waehere rerekē i roto i te tepu pūāhua ASCII.

tau Pūāhua i roto i te ripanga

Ki te mahi te tangata i roto i te whanaketanga pūmanawa, ranei ki te mahi i etahi atu mahi i te mara o te hangarau mōhiohio, he mea e tika ana ki te mohio te maha o te maha o ngā pūāhua ASCII.

Ka rite ki whakahuatia i runga ake, te tūranga o te 0-31 me 127 tango pūāhua mana. Tau 32 whakaritea te ki te wāhi, te tau 33-47, me 58-64 e waiho e hoki tuhi me te pāngarau taketake ngā mahi.

reta whakapaipai Latin whakaritea i roto i te ana'iraa piapa, me kua taua i 65 th ki 90 th. Kei te whakaritea hoki reta Pūriki i roto i te ana'iraa piapa, ratou tūranga - i 97 th ki 122 th. Ko te toe tau (91-96 me 123-126) whakaritea ki nga taiapa me Whītiki, āhuatanga matahao, me te tika, me te pera me etahi o nga tohu whakahua.

Ka taea te kite tepu ki tonu i te tohu i roto i te kanohi kauwhata watea i roto i te whakapakoko i runga. Ko te ahua i raro whakaatu te maha o nga tohu i roto i te tepu pūāhua ASCII Russian.

ASCII whānui

Mai i whakawhanakehia te putanga taketake o te waehere, e hāngai ana i runga i te mema American, kihai i reira i whakaratohia mō momo ngā kore anake o te tuhituhi me te arapū motu, engari ara te whakamahi watea o ngā tohu whakahua, Tino whakamahia i roto i ngā reo Pākehā.

Kua moka 8 kua whai wāhi hoki te hanganga o te whakawaehere whānui. Tenei putanga ngā tohu o ngā arapū motu Pākehā me te tuhi ā, āhuatanga whakairoiro, whakamahia hoki tepu tuhi, he maha o tohu pāngarau.

Kei te uaua whakamahia ētahi ASCII-pūāhua tenei ra. I roto i ngā, pā tenei ki pūāhua e kua whakamahia ki te utu tepu, pera i roto i nga tau mai i te whanaketanga o te whakawaehere whānui, nui kua whakaurua ara atu watea o te māngai whakairoiro o tepu.

rerekē National whakawaehere

I mua i ki te taeraa mai o te ASCII atu putanga whakaatu pūāhua ao whakamahia waehere putanga remanufactured, te wahi ki te tuu i te pukapuka Latin whakanohoia i Russian, Kariki, pūāhua Arabic.

E rua waehere i roto i te tepu hoki whakawhiti i waenganui i te paerewa US-ASCII me tona whāinga motu.

I muri i te ASCII kihai ka ngā 128, me 256 pūāhua, horapa mo te Kōwhiringa waehere, i roto i nei te putanga taketake o te tepu i ora kua i roto i te waehere tuatahi 128 ki te kore moka 8. Signs tuhinga motu rongoa i roto i te hawhe o runga o te tepu (tūranga 128-255-th).

Hei mohio waehere pūāhua tika ASCII kore te te kaiwhakamahi e hiahiatia ana. kaiwhakawhanake Pūmanawa Ko te tikanga ranea ki te mohio te maha o te huānga i roto i te tepu ki te tātai i te waehere, te mea e tika ana, te whakamahi i te pūnaha pūtakerua.

reo Russian

I muri i te whanaketanga i roto i te tīmatanga o 70-doma o whakawaeheretanga mo nga reo Scandinavian, Hainamana, Korean, Kariki, me ētahi atu, Te hanga ratou ake putanga o te taumau me te Soviet Union. I maoro whakawhanakehia putanga o te whakawaehere bit-8 huaina koi8, tiaki te tuatahi 128 waehere pūāhua ASCII me tukuna te taua maha o ngā tūranga i raro i te pukapuka o te tātai reta motu me pūāhua atu.

I mua i te whakataki o Unicode koi8 nuinga i roto i te wāhanga Russian o te Internet. He nga whakawaehere rerekē mo Russian, a mo te tātai reta Ukrainian.

raruraru ASCII

Mai kore e nui ake te maha o ngā huānga noa i roto i te tepu roa 256, te pea o farii i te whakawaehere kotahi rave rahi rerekē hōtuhi ngaro. I roto i te 90 i reira ko tetahi raruraru i roto i RuNet "Ai, paru" ka e whakaaturia te pūāhua ASCII Russian kuputuhi pato hē.

Ko te raruraru ko te rerekētanga o ngā waehere o rerekē ASCII kōwhiringa ia atu. A haamana'o na e i roto i ngā tūranga e taea 128-255 te whakanohoia ngā tohu, a ka huri koe tetahi Cyrillic pūāhua whakaturia ki tetahi, i whakakapia nga pukapuka katoa o te kuputuhi i etahi atu he te tau ōrite i roto i tetahi atu waehere putanga.

āhua o nāianei

Ki te haerenga mai o Unicode ASCII rongonui kua memeha.

Ko te take mō tenei takoto i roto i te meka e te huinga pūāhua hou tukua ki roto i nga tohu o reo tata katoa i tuhituhia. I roto i tenei take, hāngai te 128 pūāhua ASCII tuatahi ki te pūāhua Waehereao taua.

I 2000, ko te tino rongonui ASCII-ā i runga i te Internet me te whakamahia e 60% o taupū "Google" whārangi tukutuku. Kua i te 2012 kua maturuturu iho te rahi o taua whārangi ki te 17%, me te wahi o te whakawaehere tino rongonui ka mau Waehereao (UTF-8).

Ko te kupu, Ko te wahi nui o te hītori o te hangarau mōhiohio ASCII, engari tona whakamahi i roto i te heke mai te mea unpromising.