Computer history By Ingrid_Y Feb 18, 1937 First generation http://people.bu.edu/baws/brief%20computer%20history.html#:~:text=The%20computer%20as%20we%20know,of%20today%20are%20based%20on.&text=It%20was%20called%20the%20Atanasoff%2DBerry%20Computer%20(ABC). Mar 20, 1946 Second generation This generation of computers used transistors instead of vacuum tubes which were more reliable. May 15, 1963 Third generation The invention of integrated circuit brought us the third generation of computers.