Evolution of Computers and its applications
Evolution of Computers and its applications
- Blaise Pascal invented the first mechanical adding machine in 1642
- Baron Gottfried Wilhelm von Leibniz invented the first calculator for multiplication in 1671
- Keyboard machines originated in the United States around 1880
- Around 1880, Herman Hollerith came up with the concept of punched cards that were extensively used as input media until late 1970s
- Charles Babbage is considered to be the father of modern digital computers
- He designed “Difference Engine” in 1822
- He designed a fully automatic analytical engine in 1842 for performing basic arithmetic functions
- His efforts established a number of principles that are fundamental to the design of any digital computer
Some Well Known Early Computers
- The Mark I Computer (1937-44)
- The Atanasoff-Berry Computer (1939-42)
- The ENIAC (1943-46)
- The EDVAC (1946-52)
- The EDSAC (1947-49)
- Manchester Mark I (1948)
- The UNIVAC I (1951)
Computer Generation
- “Generation” in computer talk is a step in technology. It provides a framework for the growth of computer industry
- Originally it was used to distinguish between various hardware technologies, but now it has been extended to include both hardware and software
- Till today, there are five computer generations
