History of Early Computer

1642: Blaise Pascal invents a calculating machine
1801: Joseph Marie Jacquard invents a loom that uses punch cards
1800’s:
Charles Babbage attempts to build an analytical engine (mechanical computer)
Augusta Ada Byron develops many of the fundamental concepts of programming
George Boole invents Boolean logic.
1937: Mark I is built (Aiken, Harvard University, IBM).
First electronic computer using relays.
1939: ABC is built
First fully electronic digital computer. Used vacuum tubes.
1943-46: ENIAC (Mauchly, Eckert, University of Pennsylvania).
First general purpose digital computer.
1945: Von Neumann architecture proposed.
Still the standard for present day computers.
1947: Creation of transistor
(Bardeen, Shockley, Brattain, Bell Labs).
1951: UNIVAC.
First commercially available computer.

(source: An Information Technology Approach 3rd Edition, Irv Englander)