History of Computer

First Programmable Computer

Jan 1, 1935

The first programmable was the Z1, originally created by Germany's Konrad Zuse in his parents' living room. It is considered to be the first electro-mechanical binary programmable (modern) computer and really the first functional computer.
Image: http://en.wikipedia.org/wiki/Z1_(computer)#mediaviewer/File:Zuse_Z1-2.jpg

First Digital Computer

Jan 1, 1937

Short for Atanasoff-Berry Computer, the ABC started being developed by Professor John Vincent Atanasoff and graduate student Cliff Berry in 1937 and continued to be developed until 1942 at the Iowa State College (now Iowa State University).
Image:http://commons.wikimedia.org/wiki/File:Atanasoff-Berry_Computer.jpg

First Commercially Sold Computer

Jan 15, 1942

In 1942, Konrad Zuse begin working on the Z4, which later became the first commercial computer after being sold to Eduard Stiefel.
Image: http://en.wikipedia.org/wiki/Z4_(computer)#mediaviewer/File:Zuse-Z4-Totale_deutsches-museum.jpg

First Electric Programmable Computer

Dec 1, 1943

The Colossus was the first electric programmable computer and was developed by Tommy Flowers and first demonstrated in December 1943.
Image: http://en.wikipedia.org/wiki/Colossus_computer#mediaviewer/File:Colossus.jpg

First Computer Company

Jan 1, 1949

The first computer company was the Electronic Controls Company and was founded in 1949 by J. Presper Eckert and John Mauchly, the same individuals who helped create the ENIAC computer.
Image: http://pt.wikipedia.org/wiki/John_Presper_Eckert#mediaviewer/File:UNIVAC_1_demo.jpg