The first kind and simple computers were the abacus and pascals adding machine.
Then after further innovations more this came in existence.
Pascal's Bones was invented by Blaise Pascal.
at & t information system,usa
abacus
Howard Hathaway Aiken invented the first large scale computing system which would eventually be named the Harvard Mark I Computer in 1944. The inventor of the first computer was actually Konrad Zuse who invented the first Z1 computer.
first computer was invented by Chals Babeje. It invented in 1938
The first computer was invented in Germany in 1936 to 1938. The first Gateway computer was invented in 1991, which is when the company got their start.
Charles Babbage invented the first computer.
To store information/memory, because the computer itself had very little storage space back when it was invented.
The first computer was invented in 1946
The first computer cooling device was an off the shelf forced air refrigeration system. Probably better ask "Who invented the air conditioner?", because thats what it was.
The first commercial computer was invented in 1964 by Engineer Pier Giorgio Perotto of Olivetti. The device was named Programma 101.
In USA
The first digital computer was invented in 1943 by John Atanasoff and Clifford Berry.