Yesterday, while searching for some good hard disk options on google, I came to know the size of hard disk which was used in 1960’s. I am attaching a photo of 305 RAMAC launched by IBM in 1956, it was the first super computer with a HDD. That Hard disk weight was over a ton and stored 5MB of data. So see how the technology has changed , Now a days a lot of options are available in market for portable Hard disk where you can store 4TB of data in just 250 gms.
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