Ƙwaƙwalwar ƙwaƙwalwa ta waje

Batun mu labarin yau shine ƙwaƙwalwar ajiyar waje na kwamfuta. Amma na farko zan so in faɗi 'yan kalmomi game da kuskure ɗaya, wanda ya kasance mai saukin gaske "mai karfin zuciya". Wani makaranta a darussa a lokacin da karatu ciki tsarin block na'urar , a tsakanin sauran abubuwa saka daya da muhimmanci bangaren - RAM. Na jiki, ana wakilta shi ne ta microcircuits, an sanya shi a kan tsinkayen littafi tare da layuka biyu (a tsefe) na lambobi masu lalata, waɗanda suke haɗe da mahaɗin mahaɗi. Alal misali, idan sun ce cewa bai isa ƙwaƙwalwar ajiya ba, suna nufin ƙananan adadin RAM. Ko dai na kowa, ko don wasu aikace-aikace. Duk da haka, wani lokacin ana amfani da kalmar "ƙwaƙwalwar ajiyar waje". Wannan ba daidai ba ne, idan kawai saboda, alal misali, ba mai yiwuwa ba wanda zai zo da ra'ayin don kira littafin "ƙwaƙwalwar ajiya". A littafin - shi ne kafofin watsa labarai, da kuma ƙwaƙwalwar - wani abu quite daban-daban.

Menene wasu ke nufi da kalmar "ƙwaƙwalwar waje"? RAM ɗin da ke sama yana da muhimmin bita, wanda ke nuna kansa a cikin asarar duk bayanan da aka rubuta a cikin kwayoyin microcircuit tare da kowane gazawar mulki. Saboda haka, an yi amfani ne kawai a lokacin da kwamfuta nodes halin yanzu lissafin, kuma ga dogon lokacin da data ajiya na waje memory da ake amfani. Wannan rumbun kwamfutarka, flash drive, da drive karanta / rubuta CD-ROM drive, har ma da printer, tare da wasu reservations. Wato, duk waɗannan na'urori wanda tsaro na bayanan da aka rubuta ba ya dogara ne akan samun wutar lantarki.

Duk fayilolin mai amfani, ciki har da tsarin aiki kanta, ana adana shi akan irin wannan kafofin watsa labaru. Idan aka kwatanta da RAM, waɗannan na'urorin suna da girma da yawa, kuma a wasu lokuta kusan marasa iyaka. Alal misali, idan ikon kwamfutar zamani na yau da kullum shi ne 4-8 GB, to, kullun yana da wuya kasa da 250 GB. Yin amfani da kafofin watsa labaru masu juyo (CDs) don adana fayiloli, zaku iya, bisa ka'ida, adana ƙarancin bayanai mara iyaka.

Ƙwaƙwalwar ajiya na waje yana wakilta ne ta hanyar tafiyarwa tare da ka'idodi daban-daban. Daya daga cikin irin wannan mafita na farko shi ne rushewa. An kafa wani nau'in nau'in polymer mai sauƙi a cikin nau'in faifai tare da rawar jiki mai kwakwalwa, wanda aka kirkiro shi a hanya ta musamman ta wurin rikodin magungunan drive. Kalmar ta kusan kusan ɗaya a cikin tsoffin cassettes don na'urori da bidiyo.

Kusan lokaci ɗaya, akwai hanyoyin magance ci gaba, wanda ake kira dirar wuya. A cikin jikin an sanya wasu na'urori masu wuya na kayan aiki na yau da kullun, wanda ya rufe shi da wani nau'i na magnetic. Tun lokacin da rikodi bai taɓa kai tsaye ba tare da farfajiyar, "yawo" a kan iska, ya yiwu ya kara ƙaruwa da sauri na kwakwalwar, don haka yawancin na'ura.

Ana amfani da ka'idodi daban-daban na aiki a cikin tafiyarwa don CD / CD. A umarni na kwamfutar, faɗakar laser, ta wata hanya, ta danna depressions a cikin ƙaramin karfe. Lokacin karantawa, wannan ray ɗin yana fitowa daga madaurin gilashin madubi, kama da hotunan hoto kuma an tantance shi. Saboda haka, an sake bayanan bayanan.

Waɗannan su ne kawai wasu nau'ikan na'urorin ajiya. A hanyar, a lokacin kwakwalwa na farko na kwamfutarka 8086 akwai bayani, wanda za'a iya kiran shi ƙirar waje. Waɗannan su ne ƙananan don fadada babban ƙarar RAM, cikin ciki wanda aka ajiye kwakwalwan. Bambanci daga sassan zamani shine cewa na'urar ta kasance waje ne.