FasahaElectronics

Haɗin USB. Kuma me za mu yi ba tare da shi ba?

Universal Serial Bus USB (raguwa of "Universal Serial Bus") ne mai gwada dogon lokaci cikin sharuddan da ci gaban fasahar kwamfuta - a watan Janairu 1996, da misali Development Initiative nasa ne sananne masana'antun na kwamfuta hardware (Compaq, Dec, IBM, Intel , NEC, Northen Telecom). Babban aikin da masu gabatarwa ke kafa kansu shine don bawa masu amfani suyi aiki tare da nau'i-nau'i a cikin Toshe & Play mode, i.e. Don haka lokacin da ka haɗa na'urar da ke da haɗin USB, ana sarrafa ta ta atomatik ta kwamfutar (idan an shigar da direbobi masu dacewa). Har ila yau, an yi amfani da na'urori marasa ƙarfi a kai tsaye daga bas din.

A daidai wannan lokacin, gudun bas din ya isa ya zama cikakke ga kusan dukkanin na'urori. A sa'an nan ne mahaifiyar ta fara shigar da haɗin kebul na 1.0. Bayan da aka saki a cikin 1998 na sabuntaccen version 1.1, wanda ya gyara kurakurai, da inganta zaman lafiyar, mai haɗin USB ya zama al'ada na kusan kowane kwamfuta.

Mataki na gaba shi ne bayyanar a shekarar 2000 na USB 2.0, wanda ya sanya wannan daidaitattun zamani a mafi yawan al'ada. Ƙarin ci gaba da ita ya zama USB 3.0, wanda yana da babban bandwidth kuma yana goyan bayan ƙarfin halin yanzu idan aka kwatanta da fasalin da suka gabata (wanda ya ba da dama, alal misali, yiwuwar yin amfani da HDD ta waje) yayin riƙe da haɗin haɗin masu haɗi.

A yau duk wani kwamfuta na da tashoshin USB (a kan kwamfyutocin su yawanci 3-4, akan kwamfutar kwamfutarka - har zuwa 12). Da lambar za a iya ƙara ta haɗa musamman Dandali (USB-cibiya). Dama a kwamfutar kawai daya mai haɗin USB, yana samar da tashoshin da dama a yanzu.

Ainihin, yana yiwuwa a haɗa har zuwa 127 na'urorin USB zuwa kwamfutar daya. Lokacin da aka haɗa, ana daukar ɗakin ne a matsayin na'urar raba (a wasu kalmomin, idan kun haɗa ɗaya daga cikin ɗakin da na'urorin guda hudu, don mahaɗin USB, yawan na'urori masu haɗawa zasu kasance biyar). Amma iyakar tsawon wayar kebul, tana da mita 5. Idan kana buƙatar ƙarin, ba za ka iya yin ba tare da tsawo na musamman ba (ga kowane ɓangaren mita biyar ɗin nan za ka buƙaci irin nau'i mai mahimmanci wanda yake da wutar lantarki mai zaman kanta).

Masu haɗawa da matosai suna nau'i biyu. Ana amfani da nau'in haɗin kebul na USB "A" a yayin da yake haɗawa da kwamfutar kwamfyutoci da kwamfyutocin kwamfutar tafi-da-gidanka daban daban. Haši "B" da dama peripherals (msl, firintocinku, Scanners, MFPs). Akwai wasu nau'i biyu na masu haɗawa na nau'i na biyu - haɗin kebul na USB (amfani da na'urori masu haɗawa kamar na'urorin dijital, PDAs ko wayoyin salula) da kuma haɗin kebul na USB (har ma mafi mahimmanci, yawanci ana amfani dashi don haɗa wayar salula).

Yin amfani da kebul na USB yana bada kusan dukkanin na'urorin haɗin na yau da za a haɗa su da kwamfuta, kuma haɗin haɗin "zafi" da kuma kashewa yana yiwuwa, tun da an tsara zane don haɗin mahaɗi-haɗi tare ba tare da rushe aiki na na'ura da kwamfuta kanta ba. Duk wannan ya sa kebul na ke dubawa ta hanyar mahimmanci wajen watsa bayanai, kuma, watakila, ba a riga an sa madadin ba, a kalla a cikin nan gaba.

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