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Abacus-250BC
The Abacus was a very useful device, it was used for calculating sums, like a calculator, it has been mostly used by asians. The abacus has been replace by the calculator. -
Phone/Telegraph
Elisha Gray and Alexander Graham bell invented the first ever phone ever, it was a huge success, the only usage is communication, unlike the modern smart phones we have now. -
Typewriter
The typewriter is used for many things, it was created so we don't need to write -
Z1 Computer
The Z1 was one of the first computers ever, it was used to read Boolean logic. -
Brown Box game console
It was one of the earliest game consoles. It has only six simple games. Ping pong, tennis, handball, volleyball, chase game and light gun game. -
Kenbak-1
It was considered the first PC by the computer history museum, It was created by John Blankenbaker, but it was a complete fail. At 1973, Kenbak corporation folded after only selling 40 computers -
Macintosh 128K
It was the first ever affordable computer to have a Graphical user interface, but it was still pretty expensive, it was originally sold at $2495. -
DynaTAC 8000x
It was one of the first hand held mobile phones, it was used to communicate, but it was very costy, it was$3995. -
IBM Simon
It was the first “smartphone”, it is touch screen, but it is not advanced as Iphone or Samsung, it has maps, games etc. -
NDS
NDS is a very successful product, the bottom screen is touch screen, on the NDS you could play a variety of games like pokemon and Mario.