The first mouse
Many think the first mouse was invented in 1970 at Xerox PARC. However, the first mouse was invented by Douglas Engelbart in 1963. It was a wooden shell with two metal wheels.
The first palmtop computer
The Atari Portfolio was released in 1989 and was the world’s first palmtop computer. Two years later it appeared in the film Terminator 2, where it was used by John Connor to hack an ATM and retrieve the key to the vault in the Cyberdyne lab.
The first hard drive by IBM
The first hard drive was made by IBM in 1956 and was called IBM Model 350 Disk File. The first-generation storage unit was huge, with a cabinet the size of a cupboard that held 50 24-inch disks and held an impressive 5MB of data.