inventions | inventors/date |
Invented Pascaline, a mechanical calculating device in 1642 | Blaise Pascal 1623-1662 |
Invented Stepped Reckoner in 1670 | Gottfried Wilhelm von Leibniz 1646-1716 |
Invented Analytical Engine- calculating machine in 1842 | Charles Babbage 1792-1871 |
Invented tabulating machine in 1890 | Herman Hollerith1860-1929 |
Invented Atanasoff-Berry Computer in 1939 | John Atanasoff 1903-1995
Clifford Berry 1918-1963 |
Invented the first large-scale automatic digital computer, considered to be the 1st universal calculator | Mark 1-1944 |
Invented ENIAC(Electronic Numerical Intergation and Calculator) in 1946 | John Mauchly 1907-1980
J. Presper Eckert 1919-1995 |
Invented the Turing Machine in the late 30's and 40's | Alan Turing 1912-1954 |
Invented EDVAC( Electronic Discrete Variable Automatic Computer) with Mauchly and Eckert in 1947 | Jon von Neumann 1903-1957 |
Invented Transistor in 1947 | William Shockley,John Bardeen, and Walter Brittain |
Invented COBOL( Common Business Oriented Language) | Grace Murray Hopper 1906-1992 |
Invented 1st hand held calculator and integrated Circuit in 1958 | Jack Kilby 1923-2005 |
Founder of Microsoft and startes Microsoft company in 1975 with Paul Allen | William Gates III October 28, 1951 |
Co-founder of Microsoft Corporation | Paul Allen Jan. 21, 1953 |
Invented Adobe Photoshop in 1988 | Thomas Knoll
John Knoll |