IBM introduce IBM 350 Disk File, il primo disco rigido, come parte del computer IBM RAMAC 305. L’unità presenta cinquanta piatti a doppia faccia da 24 pollici di diametro, serviti da un braccio e una testina di lettura / scrittura. La capacità è di circa 5 MB e la velocità di trasferimento è di 8800 caratteri al secondo. (I primi dischi rigidi per personal computer appariranno tra circa 15 anni, anche con una capacità di circa 5 MB.)
Vedi documentario IBM
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