GUESS WHAT IS THIS

CAN YOU GUESS, WHAT IS THIS?

SCROLL DOWN FOR THE ANSWER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Its a hard disk in 1956.... The Volume and Size of 5MB memory storage in 1956. In September 1956 IBM launched the 305 RAMAC, the first computer with a hard disk drive (HDD). The HDD weighed over a ton and stored 5MB of data.