History of Computers
Events
First programmable computer
1936 - 1938"Z1" is considered to be the first electrical binary programmable computer created by Konrad Zuse in his parents living room.
First digital computer
1937 - 1942Atanasoff-Berry Computer (ABC) was developed by a Professor John Vincent Atanasoff and student Cliff Berry at Iowa State College.
First stored program computer
May 6, 1949Early British computer (EDSAC), ran the first graphical computer game.
First PC (IBM compatible) computer
1953"701" the first electric and mass produced computer.
First computer with RAM
March 8, 1955MIT introduced Whirlwind machine, a revolutionary computer, first digital with magnetic core RAM and real time graphics.
First transistor computer
1956Transistorized Experimental Computer (TX-O) contained a 64K of 18-bit words of magnetic core memory
First mini computer
1960Digital Equipment Corporation released PDP-1.
First workstation
1974Xerox Alto, never sold but included fully fuctioned computer, display, mouse, window menus, and icons.
First personal computer
1975Altar 8800 was the creator of the rise of Microsoft as a "computing industry giant."
First laptop, portable computer
September 1975IBM 5100 weighed 55 pounds, had a five inch CRT display, a tape drive and more.
