Amaya Toman A cikin shirinmu na Komawa Baya, muna tunawa da zuwan na'urori daban-daban guda biyu - IBM 7090 transistor electronic computer, da Barnes & Noble's Nook electronic book reader.
Zai iya zama sha'awar ku
Mafi tsada IBM 7090 (1959)
A ranar 30 ga Nuwamba, 1959, kwamfuta ta IBM 7090 ta ga hasken rana. Kwamfuta ta IBM 7090 ta iya yin lissafin 229000 a cikin dakika guda, kuma ta sami amfani da ita, alal misali, a bangaren soja. Rundunar Sojan Sama ta yi amfani da wannan samfurin wajen harba tsarin gargadin gaggawa na makami mai linzami, a shekarar 1964 kwamfutoci biyu na IBM 7090 sun yi aiki da kamfanin jiragen sama na SABER na Amurka domin hada alaka da rassa a garuruwa daban-daban.
Nook Reader na Barnes & Noble (2009)
A ranar 30 ga Nuwamba, 2009, Barnes & Noble ya fito da mai karanta littafin e-littafi mai suna Nook. Mai karanta e-book Nook yana samuwa a cikin nau'i biyu - tare da haɗin Wi-Fi da 3G kuma tare da haɗin Wi-Fi kawai. Mai karanta Nook na ƙarni na farko ya ƙunshi babban nunin e-ink mai inci shida da ƙaramin allo mai launi na sakandare wanda ya zama na'urar shigar farko. An daina siyar da sigar Wi-Fi na mai karanta Nook a ƙarshen 2011.
