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1999 BCE
abacus
The abacus is a percussion instrument that is used to carry out simple arithmetic operations (addition, subtraction, division and multiplication) and other more complex ones (such as calculating roots) -
Period: 1105 BCE to
pascalina
The pascaline was the first calculator that worked on wheels and gears, invented in 1642 by the French philosopher and mathematician Blaise Pascal. The first name he gave to his invention was "arithmetic machine -
Period: to
binary code
The punched card or simply card is a sheet made of cardboard that contains information in the form of perforations according to a binary code. These were the first means used to enter information and instructions into a computer in the 1960s and 1970s. -
Period: to
tabulating machine
The tabulating machine was an electromechanical machine designed to assist in summarizing information stored on punched cards. Invented by Herman Hollerith, the machine was developed to help process data for the 1890 U.S. Census. -
Period: to
first generation
irst generation: vacuum tubes (1940-1956)
First-generation computers relied on machine language, the lowest-level programming language, to perform operations, and could only solve one problem at a time -
Period: to
Z3
In 1941, Konrad Zuse was the first to build a working computer. He did it in the living room of his parents' house in Berlin. ... However, the first computer that really worked was Konrad Zuse's and that was in 1941 in the living room of his parents' house in Berlin. Could save 64 words