The first electrical binary computer ever was made by Germany's Konrad Zuse in his parents living room.
The ABC computer, also known as the Atanasoff-Berry Computer, started being developed by Professor John Vincent Atanasoff and a graduate student at Iowa State.
The ENIAC was invented by J. Presper Eckert and John Mauchly at the University of Pennsylvania.
The first stored computer.
First computer with RAM
The first transistorized computer was demonstrated at the Massachusetts Institute of Technology.
The first Mini computer was made by Digital Equipment Corporation.
The IBM 5100 is the first portable computer.
The first apple computer.
The first laptop invented called the Osborn 1.