Inventor | Inventions |
Blaiss Pascal (1623-1662) | Calculating divice Called Pascaline (1642) |
Goffried Wilhem von Leibniz (1646-1716) | Stepped Reckoner in (1716) |
Charles Babbage (1792-1871) | Analytical Engine-Calculating machine (1842) |
Herman Hollerith (1860-1929) | Tabulating machine in (1890) |
Jhon Atanasoff (1903-1995)
Clifford Berry (1918-1963 | Atanasoff-Berry Computer (ABC) (1939) |
Mark-1 (1944) | ASCC (Automatic Sequence Controlled Calculator) |
Jhon Mauchly (1907-1980)
J.Presper Eckert (1919-1995) | Electronic Numerical Integration and Calculator ) in 1946 |
Alan Turing (1912-1954) | Turing machine |
Jon von Neumann (1903-1957) | EDVAC (Electronic Discrete Variable Automatic Computer) in (1947) |
William Shockley John Bardeen and Walter Brittain
in (1947) | One transistor repalaced many tube making computer smaller less expensive and reliable |
Grace Murray Hopper (1906-1992) | COBOL (Common Business Oriented Language) |
Jack Kilby (1923-2005) | 1st hand held calculator |
William Gates III (October 28, 1951) | Founder of Microsoft Corporation |
Paul Allen (Jan 21, 1953) | Co-founder of Microsoft Corporation |
Thomas Knoll
John Knoll | Creator Of Adobe Photoshop (1988) |