Here we present a detailed timeline of events and milestones in the history of computing.

YEAR
Inventions and Discoveries
2400 BC
Abacus, the first known calculating device, was invented in Mesopotamia
500 BC
Indian mathematician Panini introduced the precursor to modern formal language theory
300 BC
Pingala invented the binary number system
87 BC
Antikythera put up Rhodes to track movement of stars
1614
John Napier invents a system of moveable roads (Napier�s Rods) based on logarithm which was able to multiply, divide and calculate square and cube roots
1623
Calculating Clock was invented by Wihelm Schickard
1642
Blaised Pascal invents a mechanical adding machines called Pascaline calculator
1822
Charles Babbage builds his first mechanical computer
1834
The Analytical Engine was invented by Charles Babbage
1835
Samuel Morse invented Morse code
1848
Boolean algebra is invented by George Boole
1896
Herman Hollerith begins the Tabulating Machines Company which later become IBM
1906
Lee De Forest invents the electronic tube
1911
IBM is formed on June 15, 19911
1937
Alan Turning developed develops the concepts of a theoretical computing machine
1939
John Vincent Atanasoff and Clifford Berry developed the ABC (Atanasoft-Berry Computer)
1945
John Presper Eckert & John W. Mauchly developed the ENISC (Electronic Numerical Integrator and Computer)
1947
Douglas Engelbart replaced punched card with keyboard and screen display
1951
UNIVAC 1 (UNIVersal Automatic Computer 1) was introduced, the first commercial computer made in the United State. The EDVAC (Electronic Discrete Variable Automatic Computer) began performing basics task
1955
Bell Labs introduced its first transistor computer
1957
Sputnik 1 and Sputnik 2 are launched by the Russians
1958
ARPA (Advanced Research Project Agency) and NASA is formed
1958
First integrated circuited, or silicon chip, is produced by US Jack Kibly and Robert Noyce
1964
IBM introduced the first word processor
1965
Andries van Dam and Ted Nelson coined the term �hypertext�
1967
IBM created the first floppy disk
1971
E-mails was invented by Ray Tomlison
1975
Altair produced the first portable computer
1976
Apple Computers was founded Steve Wozniak and Steve Jobs
1981
IBM PC was born
1982
Commodore 64 became the best- selling computer of all time
1991
World Wide Web id launched to the public
1991
Linux was born
1993
Intel Pentium was released
1995
Java was introduced
1995
Window 95 was launched

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