Computer History Word Scramble
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inventor | invention |
Blaise Pascal 1623-1662 | -Pascaline 1642 -Only performs addition; never worked properly |
Gottfried Wilhelm von Leibniz 1646-1716 | -Reckoner 1670 -Device was supposed to add, multiply, subtract and divide but malfunctioned |
Charles Babbage 1792-1871 | -Analytical Engine-calculating machine 1842 -Used punch cards to store information |
Herman Hollerith 1860-1929 | -Tabulating Machine 1890 -Used electricity instead of gears to perform calculations |
John Atanasoff 1903-1955 Clifford Beryy 1918-1963 | -Devised by Howard H. Aiken at IBM -ASCC(Automatic Sequence Controlled Calculator) -1st large-scale automatic digital computer/universal computer. |
John Mauchly 1907-1980 J. Presper Eckert 1919-1995 | -Worked on ENIAC (Electronic Numerical Integration and Calculator) in 1946 -Solves mathematical problems faster -Originally a military project that was "top secret" |
Alan Turing 1912-1954 | -Developed idea of a universal machine in the late 30's and 40's -Called the Turning Machine the "Enigma" |
Jon von Neumann 1903-1957 | -Could divide 8 digit numbers in mind at the age of 8 -Built the EDVAC(Electronic Discrete Variable Automatic Computer) with Mauchly and Eckert in 1947 -Inspried the construction of EDSAC(Electronic Delay Storage Automatic Calculator) in 1949 |
Transistor | -Invented by William Shockley, John Bardeen and Walter Brittain in 1947 -One transistor replaced many tubes, making computers smaller, less expensive and reliable |
Grace Murray Hopper 1906-1992 | -Designed COBOL(Common Business Oriented Language) a programming language -1st programmer for Mark I |
Jack Kilby 1923-2005 | -Developed the 1st integrated Circuit in 1958 -Invented the 1st hand-held calculator |
William (Bill) Gates III Oct.28,1955 | -Founder of Microsoft Corporation -Started Microsoft company with Paul Allen in 1975 |
Paul Allen Jan. 21,1953 | -Co-founder of Microsoft Corporation -Owner of Portland Trail Blazers |
Thomas Knoll James Knoll | -Software engineers -Creators of Adobe Photoshop in 1988 |
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amberpangelinan
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