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First Programmable computer
A german man named Konrad Zuse invented the Z1, which was the first binary programmable computer. -
The first workable and programmable computer
He built the z3 , which was shown in 1941 to the Deutschen Versuchsanstalt für Luftfahrt. -
The Z4
The goal of the Z4 was to build the prototype for a machine that was to be mass produced, but with few materials and the war it was impossible to do. -
The first Calculator
Austrian engineer Curt Herzstark worked in his families manufacturing company until he was arrested by Nazis. While in-prisoned he refined his pre-war design for a calculator. -
First Colossus operational
The colossus was designed to break the ciphers used by the Nazis in WW2 -
Harvard Mark 1 is finished
It was thought up by Howard Aiken and IBM designed and built it. It's a room sized relay-based calculator. -
Unveiling of ENIAC
It was built by John Mauchly and J. Presper. It was Electronic instead of electormechanical which gave it 1000 times faster computing time than any other computer up to that time. -
First Computer program ran on a computer
Fredrick Williams, Tom Kilburn, and Geoff Toothill made the Small Scale Experimental Machine (SSEM). It was built to test a new memory device that eventually became known as Random Access Memory, or Ram Drive -
Project Whirlwind
The US Navy went to MIT for them to build a flight simulator for their pilots in WW2. MIT went with an analog approach at first but changed their directions to digital after they seen a demonstration of the ENAIC computer. It changed from a flight simulator to an air defense system also. But by it's completion the Navy lost interest in the project. -
Direct Keyboard input
Reachers started experiment with direct keyboard input. A ancestor to modern day keyboards
