Zabar wani modem ga wata kwamfutar tafi-da-gidanka. Da dama shawarwari ga sabon shiga

Modern fasahar ba a tsaye har yanzu da aka kullum gwamnatin. Wannan shi ne da farko saboda gaskiyar cewa a kowace shekara da PC mai amfani da bukatun da ake kullum girma, da kuma masana'antun da daban-daban na'urorin kokarin gamsar da bukatun. Alal misali, yau kwamfyutocin sun zama m, kuma mafi m, kyale su masu yin aiki a kan irin wannan mobile kwamfuta, kusan ko ina. Amma abin da ya sa hankalta to da hannu m littafin rubutu, idan an haɗa ka da Intanit via na USB?

Don sa search for bayanai a kan dukan duniya yanar gizo more mai amfani, fiye da shekaru goma da suka wuce, na farko modems for kwamfyutocin aka saki, wanda aka ci gaba da inganta. Suna da amfani ba kawai sauri da kuma sauki haɗi zuwa cibiyar sadarwar ba tare da amfani da tsauraran matakan da iyakance yunkuri na igiyoyinsu da igiyoyi, amma kuma ta Compactness. Modern kwamfyutar modem iya shige cikin wani kwamfyutar jakar, aljihunka ko jaka. Amma, mafi muhimmanci amfani da wannan na'urar ne motsi - tare da taimakon mai amfani iya duba e-mail ko ziyarci 'page a cikin zaman jama'a na cibiyar sadarwa daga kusan kowane wuri.

Yanzu bari mu dubi yadda za a zabi wani modem ga wata kwamfutar tafi-da-gidanka, da kuma abin da iri wadannan na'urori a general za a iya samu a kasuwa yau. Bisa ga irin dangane da kwamfyutar dakatar da duk irin wannan na'urorin za a iya raba uku Categories: USB-modems, PCI kar-cards da kuma mobile magudanar.

Yau, mafi yadu amfani USB-modems. Haka ya faru saboda su indisputable abũbuwan amfãni - sauƙi na connection, Compactness da kuma versatility. PCI kar-cards yanzu da wuya amfani (da yawa zamani kwamfyutocin gaba ɗaya bã tãre da ramummuka a gare su), amma su ne sun fi mayar da outperform na USB-modems cikin sharuddan ergonomics. Wannan shi ne saboda gaskiyar cewa irin wannan modem ga wata kwamfutar tafi-da-gidanka bayan a haɗa kusan gaba daya "nutsar" a jikin kwamfutar tafi-da-gidanka, yayin da na'urar an haɗa via kebul, kusan ko da yaushe awkwardly tura daga cikin kwamfuta na akalla 'yan santimita.

Daban-daban "mobile" modems kuma data kudi. Mafi na kowa tsari a cikin gida kasuwa ne a yanzu dauke su ta amfani da na'urorin fasahar 3G - yayi kan wannan hanya na mara waya canja wurin bayanai yanzu akwai a kusan kowane kadara sadarwarka. 3G-modem domin kula da kawancen damar da mai shi zuwa ga amfani da Internet a gudu har zuwa 8 Mbit / s. Duk da haka, da ainihin gudun zai ƙwarai bambanta daga sadarwarka shafi quality, talakawan mahada gudun a cikin liyafar yanki da kuma da dama wasu dalilai. A sauri dangane da irin ne mai fasaha da ake kira «WiMAX», ba za ka iya aiki a gudu up to 10 Mbit / s. Kuma mafi "m" bayani a kan kasuwar yau ne fasaha na CDMA 450 (ta "rufi" - kawai 3.1 Mbit / s).

Kafin sayen irin wannan na'urar a matsayin modem ga wata kwamfutar tafi-da-gidanka, a tabbata cewa zaba model ne dace da ku kwamfyutar tsarin aiki. In ba haka ba, idan ka hada da modem iya samun matsaloli tare da shigarwa na direbobi da kuma operability na'urar a general. Idan ka shawarta zaka saya modem connection (ta shiga wata yarjejeniya tare da daya daga cikin kamfanonin wayar salula don samar da Internet access da sabis), kada ka manta to ka tabbata kana da wani nauyi cover a cikin wurare inda za ka yi amfani da sabis na bada. Wannan shi ne saboda gaskiyar cewa mobile Internet - wani abu quite capricious, da kuma ingancin ta sadarawa (kuma, saboda haka, samu a sakamakon gudun) zai iya shafar ko da kauri daga cikin ganuwar a cikin gidan. Saboda haka, kafin sayen irin wannan na'urar tabbata tuntubar tare da wani wakilin aiki kamfanin.