Video: Vim li cas thiaj yuav ncua ascii siv?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
ncua ASCII . Qhov yooj yim ASCII teeb siv 7bits rau txhua tus cim, muab tag nrho 128 cim cim. The ncua ASCII cim teeb siv 8 khoom, uas muab nws ntxiv 128 cim. Cov cim ntxiv sawv cev rau cov cim los ntawm cov lus txawv teb chaws thiab cov cim tshwj xeeb rau cov duab kos.
Tib neeg kuj nug, dab tsi yog txuas ntxiv ascii code?
Extended ASCII (EASCII los yog siab ASCII ) cov cim encodings yog yim-ntsis lossis loj encodings uas suav nrog tus qauv xya-ntsis ASCII cov cim , ntxiv ntxiv cov cim.
Ib yam li ntawd, qhov txawv ntawm ascii thiab txuas ntxiv ascii yog dab tsi? Lub ntsiab qhov sib txawv ntawm ob yog hauv txoj kev lawv encode tus cim thiab tus naj npawb ntawm cov khoom uas lawv siv rau txhua tus. ASCII Ameslikas siv xya ntsis toencode txhua tus cim. Qhov no tom qab tau nce mus rau yim nrog Extended ASCII los hais txog qhov tsis txaus ntseeg ntawm theoriginal.
Hauv qhov no, cov kev txwv ntawm Ascii yog dab tsi?
Kev txwv ntawm ASCII 128 lossis 256 tus cim txwv ntawm ASCII thiab Extended ASCII txwv tus naj npawb ntawm cov cim teev uas tuaj yeem tuav tau. Sawv cev cov cim teev rau ntau hom lus sib txawv tsis tuaj yeem ua tau hauv ASCII , muaj cov cim tsis txaus txaus.
Dab tsi yog qhov zoo ntawm Unicode tshaj ascii?
Qhov zoo : Unicode yog 16-ntsis system uas tuaj yeem txhawb ntau tus cim ntau dua ASCII . Thawj 128 tus cim yog tib yam li tus ASCII system ua nwscompatible. Muaj 6400 cim tso tseg rau tus neeg siv lossis software.
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