KwamfutocinCibiyar sadarwa

Wireless: abin da shi ne a cikin kwamfuta fasahar?

Kwanan nan, wani fiye da na kowa tambaya tsakanin masu amfani da kwamfuta tashoshi, kwamfyutocin ko ta hannu da na'urorin: "Wireless - abin da yake da shi?". Bari mu dubi wannan topic da kuma ba da wasu muhimman ma'anar.

Wireless: shi ne a cikin wani janar ji?

Tura kashe su fara zama daga cikin fassarorin da fassara kalmomi daga Ingilishi. An kafa daga kalmar waya (USB, igiyar, waya) da kuma ƙulli -less, wanda a lokacin da kara zuwa ga asali kalmar ne "rashi", "free" da kuma t. D.

A gaskiya, Saboda haka shi za a iya ƙarasa da cewa mara igiyar waya, a gaskiya, yana nufin "mara waya." Yau ne irin wannan abu ba ya shafi sadarwa da kuma tsarin Internet access. Wãne ne ya ba ji game da Wi-Fi? Amma irin wannan cibiyar sadarwa za a iya halin daidai da Kalmar "mara waya".

Mene ne wani Wireless adaftan: na asali Concepts da kuma iri

Game da adaftan da ake amfani ga mara waya na sadarwa, da ya fi na kowa ne magudanar, ADSL-modems da Hadakar Wi-Fi, USB-adaftan, kazalika da misali aka gyara bisa PCI bas an shigar, msl, a cikin keken kwakwalwa, Wi-Fi -modules a mobile na'urori, kazalika da connection yana nufin via Bluetooth (su ma su kasance a cikin fasaha mara waya category).

Ba sai an fada ba tare da cewa da ka'idodinta su aiki ne da ɗan daban-daban, kazalika da kafuwa da kuma sanyi da hanyoyi. Alal misali, a na'ura mai ba da hanya tsakanin hanyoyin sadarwa, dangane da model, za a iya samar da rarraba IP-adireshin to mahara na'urorin, da kewayon da jeri na 10-100 m a cikin line na gani. USB-adaftan da tukwãne na'urorin shi bisa PCI bas da alaka kai tsaye zuwa kwakwalwa ko kwamfyutocin da suke iya mara waya ta sadarwa kawai ga tashoshi wanda aka kai tsaye alaka. Kamar yadda shi ne riga bayyana game da mataki ko da kasancewa daga cikin siginar cikin wasu na'urorin ba zai iya yin magana a nan. Ko da yake tare da wasu model za ka iya yin wani rarraba daga naka kwamfuta ko kwamfutar tafi-da-gidanka. Amma tambaya ba mu taba.

Wireless networks da ƙarin kudi

A ra'ayi na "mara waya cibiyar sadarwa» (Wireless Network) ya bayyana a gwada kwanan nan. Idan muka magana game da fasahar kwamfuta, akwai biyu main Categories za a iya gano networks: Wi-Fi da kuma WiMAX.

Ba sai an fada ba tare da cewa lokacin da ka shigar da ãyõyinMu a cikin irin networks amfani da daban-daban fasahar. Yawanci, Wi-Fi networks yi amfani da abin da ake kira unlicensed mitoci, kuma iyakance zuwa radius na ɗaukar hoto, wanda yawanci ba ya wuce 100 m. Hakika, da yawa ya dogara da damar da dila kayan aiki, misali, da alama na na'ura mai ba da hanya tsakanin hanyoyin sadarwa.

Akwai wani ra'ayi na mara waya. Mẽne ne cikin sharuddan WiMAX networks? Wannan, a sama da dukan, da yin amfani da wani lasisi watsa siginar mita da kuma rufe dubun kilomita. Duk da haka, daga cikin contingent talakawa masu amfani da irin wannan musamman rarraba cibiyar sadarwa bai samu kawai saboda ta high kudin (ma'ana kayan aiki, shigarwa, tabbatarwa, mai amfani da kudade, da sauransu. D.).

Idan akai la'akari da taken «Wireless :? Abin shi ne" ba zai yiwu ba ya yi watsi da wajen mara waya ta Bluetooth canja wurin bayanai. Hakika, a mafi yawan lokuta, don samun damar Intanit, irin kayayyaki ba su dace ba, amma ga sauri canja wurin fayiloli da kuma bayanan shige sosai. Gaskiya, yana da daraja don la'akari da iyakance radius daga mataki, wanda yawanci ba ya wuce da mita 10.

ƙarshe

Ga wani taƙaitaccen cewa shi ne mara igiyar waya da fasahar sadarwa. A wannan yanayin, mun gani, kawai kwamfuta duniya, kuma duk da haka 'yan tunani game da gaskiyar cewa wayoyin hannu ne da gaske wannan ya shafi abin da aka fiye da ake kira mara waya fasahar. Ko da a cikin rayuwar yau da kullum da muke da aka tsayar da su kusan a kowace rana. Dauki akalla talakawa ramut gida kayan ramut. Yana amfani da yiwuwar canja wurin da kuma samun iko siginar dangane da damar da infrared tashar jiragen ruwa. Duk da haka, za ka iya ci gaba da wannan jerin for quite wani lokaci.

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