-
500 BCE
The abacus was the first device that helped the human being in solving aritmetic problems
-
The calculation rule consisted of two graduated rules that slide one over the other
-
The first adding machine was invented wich was also used to substract
-
The first digital computer was invented it was programed by a series of punched cards that contained the instructions data
-
an analog machine was the first that used electrical circuits
-
The ENIAC was invented the first electronic computer was built in pensilvania to calculate artillery tables
-
Period: to
UNIVAC was designed by Eckerd it used vacuum tubes it was the first generation of computers
-
Period: to
Second generation were fast and small with new lenguages called high level lenguages
-
Third generation
-
fourth generation the processor of the computers was denomined microprocessor
-
fifth generation
-
sixth generation
