Dab Tsi Yog Byte

Cov txheej txheem:

Dab Tsi Yog Byte
Dab Tsi Yog Byte

Video: Dab Tsi Yog Byte

Video: Dab Tsi Yog Byte
Video: Ziag no wb yog dab tsi - Yaying Yeng Moua 2024, Tej zaum
Anonim

A byte yog chav nyob ntawm kev khaws cia nrog rau kev ua cov ntaub ntawv digital. Hauv lub tshuab hlwb hlau, ib qho byte yog sib npaug rau yim khoom. Raws li qhov tshwm sim, nws yuav siv ib ntawm 256 qhov tseem ceeb. Txheeb ib lo lus muaj 8 khoom, muaj lub tswvyim ntawm "octet".

Dab tsi yog byte
Dab tsi yog byte

Cov Lus Qhia

Kauj ruam 1

Lo lus Askiv byte los ntawm kab lus binary lub sij hawm, uas txhais tau tias "lub sij hawm binary". Thawj thawj lub tswvyim ntawm "byte" tau siv xyoo 1956 thaum lub sijhawm tsim ntawm lub computer IBM 7030. Thaum xub thawj, ib qho byte tau sib npaug rau 6 khoom, tab sis tom qab ntawd nws qhov loj tau nthuav dav mus rau 8 me me.

Kauj ruam 2

Qee cov khoos phis tawm ua xyoo 1950 thiab 1960 siv 6-tus cim. Khoos phis tawj tsim los ntawm Burroughs Computer Corporation tau siv 9-ntsis byte.

Kauj ruam 3

Lub IDM System / 360 yog thawj zaug siv byte chaw nyob. Nws cov txiaj ntsig tau hais txog kev hais cov tshuab lub tshuab tag nrho yog tias nws yooj yim dua rau cov ntaub ntawv cov lus qhia. Cov kab ke no tseem siv bytes suav nrog 8 tus kav.

Kauj ruam 4

Hauv xyoo 1970, 8-byte loj ua rau lub qauv de facto.

Kauj ruam 5

Kev siv ntau cov tsiaj ntawv ua ntej, uas ua rau nws tuaj yeem tsim cov qib ua tau los, tsis ua nyob rau hauv ib txwm siv rau byte. Firstly, drenutive prefixes tsis siv, thiab thib ob, kev siv ua ntej rau kev sib tw yog ntau tus lej ntawm 1024 (tsis yog 1000). Ib kilobyte yog sib npaug rau 1024 bytes, ib tus megabyte yog sib npaug rau 1024 kilobytes (1048576 bytes), thiab lwm yam.

Kauj Ruam 6

Lub International Electrotechnical Commission (IEC) tau pom zoo binary cov lus ua ntej rau bytes hauv xyoo 1999, vim tias kev siv cov chaw tus qauv tsis yog. Lub npe ua ntej tus binary yog tsim los ntawm kev hloov lub suab kawg ntawm tus lej ua ntej nrog “bi”. Cov. 1024 bytes - 1 kibibyte, 1024 kibibytes - 1 mebibyte, thiab lwm yam.

Kauj Ruam 7

Hauv Lavxias GOST 8.417-2002, uas yog hu ua "Chav nyob ntawm qhov ntau", Cyrillic peev tsab ntawv "B" yog siv los cim lub byte. Nws tseem tau qhia tias kev siv cov lej ua ntej los ua cov koog sib xyaw ua ke yog dav siv, tab sis tsis raug.

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