KombiyuutaradaQalabka

Waa maxay kaarka network ah

Kaarka Network muddo dheer ahayd qayb ka mid ah lagama maarmaanka ah ee computer-ka casriga ah, sida jiirka ama kaarka codka ah. Halka hore wax yar uun nasiib awoodin in ay iibsadaan accessories kuwan, laakiin hadda iyada oo aan hadalka ku saabsan buuxda nidaamka multimedia computationally muhiim ma aha.

Ka hor inta aynu eegno waxa kaarka network, aynu ka dhigi safar maskaxda yar si 90aad fog. Mid ka mid ah siyaabaha ugu caansan ee macluumaadka sarrifka ahaayeen kumbuutarka u dhexeeya kombiyuutarada (canshuuraha Internet ahaayeen sare, iyo Dial-Up modem xiran a COM-dekedda, shaqada xowliga yar). Si kastaba ha ahaatee, sii kordhaya tirada xogta la qaadi karo hal ama dhowr kumbuutarka loo baahan yahay. Haddii aan dib ugu yeeran muuqaalka kore ee ay gaadhista qaybaha aqrin, waxa uu noqonayaa mid iska cad in geeddi-socodka loo baahan yahay in la hagaajiyo. Waxa uu ahaa cad in aan u baahanahay hab u ogolaanaya in aad si fudud oo si deg deg ah ku xidhmaan kombiyuutarada, oo waxaa la soo jeediyay. Ogsoonow in xalka ayaa muddo dheer la yaqaan, laakiin aan tiro.

By motherboard ah oo shidan qalab gaar ah - kaarka network la siiyey oo loo marayo cable ka si ay u gudbiyaan wixii xog ah digital in computer kale ku qalabaysan qalab la mid ah. Heerka Baud marar badan ka badan ugu dhaqsiyaha badan dial-up Modem. Waayo, kaarka network shaqo ay loo baahan yahay in cable a coaxial - waxay ahayd 50 Ohm "khafiif ah" iyo Ethernet ah "qaro weyn". television fudud uma aan iman, sababtoo ah sare iska caabin ah la ruxruxo. Kaarka Network waxay leedahay qalab aad u "baddelan" - xiriirada tayo leh, cable wanaagsan, tallaabadaas terminator kuunoqon - wax walba waa inuu waafaqsanyahay cayimidda.

Haddaba wax badan ayaa isbedelay, cable a coaxial lagu badalay cable labada ciyaaryahan qaloocin, fur buriyey, saameynta iska caabin ah waa la dhimay, kaas oo u ogolaanaya in aad ka bogsato daamanka maroojin fudud. Si dhab ah u habaynta maamuuska gudbinta - bandhigay dabaq buuxa (gudbinta isku mar / soo dhaweynta on kaararka network kala duwan), iyo xawaaraha sare u noqday mid caadi ah. Haddaba, bixiyeyaasha badan bixiyaan helitaanka Internet waa iyada oo go'aan noocan oo kale ah, oo aan modem ah. By habka, muuqaalka kore ee cable isku xira ee go'aan ka gaari kara nooca ay: wareega - waxaa ka coaxial iyo qaab (ku dhowaad sida phone a) - a Labada ciyaaryahan qaloocin.

Sidaas kaarka shabakad - qalab bixiya kala iibsiga xogta u dhexeeya kombiyuutarada via dhexdhexaad dhexe (cable, hirarka radio). Iyadoo dukaamada weli waxaa laga heli karaa map sida xirmo gaar ah, oo dhan motherboards hadda mar hore ku jira soldered chip oo u qabata dhamaan hawlaha aasaasiga ah ee qaata iyo gudbinta signalka.

card kasta interface shabakad ka kooban a "tolayaa" Tirada, waxa loogu yeero MAC-cinwaanka in aad u tilmaami karaa. Haddii loo baahdo, waxaa lagu beddeli karaa by software.

Iyada oo ku xidhan shaagga, kala saaro PCI iyo kaarka PCI-Express. Xaaladaha qaarkood, lagama maarmaan dibadda NIC xirta dekedda USB ah.

Inkastoo dhamaan noocyada hadda xawaare ogolaan kala iibsiga macluumaad ee 1 Gbps, halka dalabka ah 100 Mbit / s, tan iyo markii ay dhacdo in this cable hoose ayaa sheegay in.

Horudhac ah ee interface shabakad la geliyo nidaamka darawalka. Waa in la soo bixi internetka sameeysa iyo rakibi. Qalabka "eeg" your computer iyo aad iskula xidhiidhi karaan u leh.

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