Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Ma'anar ƙwaƙwalwar ajiya ta farko ta Fritz-Rudolf Güntsch ta Jamus ce a Technische Universität Berlin a 1956 a cikin takardar shaidar digirinsa, Tsarin Tsarin Kwamfuta na Dijital tare da Multiple Asynchronous Rotating Drums da Automatic High Speed Memory Operation; ya bayyana na'ura tare da tubalan kalmomi 6 na ainihin ƙwaƙwalwar ajiya da kuma adireshin sararin samaniya na 1,000 100 kalmomi, tare da kayan aiki ta atomatik yana motsa tubalan tsakanin ƙwaƙwalwar ajiya da ƙwaƙwalwar ajiya na biyu. An fara aiwatar da shafi a Jami'ar Manchester a matsayin hanyar fadada ƙwaƙwalwar ajiyar komputa ta Atlas ta hanyar haɗa kalmomin 16,384 na ƙwaƙwalwar ajiyar farko tare da ƙarin kalmomin 98,304 na ƙwaƙwalwar ajiyar sakandare. An ba da umarnin Atlas na farko a 1962 amma an samar da samfurori na aiki na bugun kira a shekarar 1959. A cikin 1961, Kamfanin Burroughs ya fitar da kwamfutar komputa ta farko tare da ƙwaƙwalwar ajiya, B5000, tare da rarrabuwa maimakon rarrabuwa. Kafin a iya aiwatar da ƙwaƙwalwar ajiya a cikin manyan tsarin aiki, dole ne a magance matsaloli da yawa. Fassarar adireshin mai ƙarfi yana buƙatar tsada da wahalar gina kayan masarufi na musamman; aiwatarwar farko ta jinkirta samun damar ƙwaƙwalwar ajiya. Akwai damuwa cewa sabbin tsarin algorithms masu amfani da ajiya na sakandare zasu zama marasa inganci fiye da algorithms na takamaiman aikace-aikacen da aka yi amfani da su a baya. Zuwa 1969, muhawara kan ƙwaƙwalwar ajiya don kwamfutocin kasuwanci ta ƙare; ƙungiyar bincike ta IBM da David Sayre ya jagoranta sun nuna cewa tsarin ƙwaƙwalwar ajiyar ƙwaƙwalwar ajiyar su koyaushe yana aiki mafi kyau fiye da mafi kyawun tsarin sarrafa hannu. A cikin shekarun 1970s, IBM 370 jerin gudanar da tsarin aiki na tushen ajiya na kama-da-wane ya ba da wata hanya ga masu amfani da kasuwanci don ƙaura tsofaffin tsarin da yawa zuwa ƙananan, mafi ƙarfi, manyan kwamfutoci waɗanda suka inganta farashin / aiki. Minicomputer na farko da ya gabatar da ƙwaƙwalwar ajiya ita ce NORD-1 na Yaren mutanen Norway; a cikin shekarun 1970, sauran ƙananan kwamfutoci sun aiwatar da ƙwaƙwalwar ajiya, musamman samfuran VAX da ke gudanar da VMS.  Tambaya: Wace irin ƙwaƙwalwar ajiya aka yi amfani da ita a ƙananan kwamfutoci?
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