The U.S government used one of the punch cards for the 1890 census.
In 1941 Conrad Zuse created the Z3, it was the programable computer.
Conrad Zuse created the first programable computer, the Z3
In 1944 Harvard University and IBM joined up to build the Mark 1.
In 1944 Harvard University and IBM joined up to make the Mark 1.
Miniature Electronic devices called integrated circuits were invented.
Charles Babbage's invention was used throughout the 1970's.
The computer technology started to improve in the 20th century.