IBM ha annunciato la sua serie 650 di computer, che saranno utilizzati durante il resto del decennio. L’IBM 650 memorizzava le informazioni su un tamburo magnetico rotante e le riceveva su schede perforate programmate. La sua memoria memorizzava numeri con un massimo di 10 cifre decimali.
Le valvole erano montate su dei moduli estraibili per facilitarne la sostituzione in caso di guasto, mentre il programma era impostato inserendo dei ponticelli su di un’apposita piastra inserita nella macchina. Tale piastra ricordava vagamente un centralino telefonico manuale coi cavi muniti di spinotti.
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