Xir xayeysiis

Qaybta maanta ee taxanayaasheena joogtada ah ee dhacdooyinka tignoolajiyada ugu waaweyn, waxaan eegi doonaa imaatinka laba qalab oo muhiim ah - IBM's ASCC electromechanical computer ka 1944 iyo Palm m100 PDA laga bilaabo 2000. In kasta oo labada aaladood ay u dhexeeyaan tobanaan sano, wax ku biirintooda lama muran karo .

ASCC ee IBM (1944)

Bishii Agoosto 7, 1944, IBM waxay soo bandhigtay qalabkeeda cusub ee loo yaqaan Xisaabiyaha Isku-dabaynta Tooska ah ee Xakamaynta (ASCC) oo ku taal dhulka Jaamacadda Harvard. Kumbuyuutarkan elektiroonigga ah, oo uu soo ururiyay Howard H. Aiken, ayaa markii dambe helay calaamadda Mark I. Cabirka qalabku wuxuu ahaa 16 x 2,4 x 0,6 mitir, awoodda xisaabinta waxay ahayd qiyaastii saddex hawlgal oo aasaasi ah ilbiriqsi kasta, hawlo badan oo culus ayaa qaatay dhowr ilbiriqsi. Howard Aiken ayaa markii dambe dhisay ku-xigeennada, oo si isdaba-joog ah loogu magacaabay Mark II ilaa Mark IV.

Palm m100 (2000) ayaa soo socda

Palm waxay soo bandhigtay gacan muggeed oo qalabkeeda cusub horraantii Agoosto 2000. Iyadoo ay weheliso soo bandhigida taxanaha cusub ee PDA ee loo yaqaan Palm m100, shirkaddu waxay sidoo kale go'aansatay inay xakamayso khadka wax soo saarka Palm III. Taxanaha Palm m100 wuxuu ka koobnaa m100, m105, m125 iyo m130, kaas oo ku shaqayn jiray nidaamka hawlgalka Palm OS. Qaabka m130 wuxuu ahaa mid ka mid ah PDA-yadii ugu horreeyay ee Palm si uu u muujiyo muuqaal midab. Aaladaha taxanahan waxaa lagu rakibay 16MHz Motorola EZ Dragonball Processor-yaasha waxayna haysteen 2MB ee RAM.

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