Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards




share
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

comperter 3

timeline notes

inventorinvention
Blaise Pascal 1623-1662 calculating device called Pascaline.1642
Gottfried Wilhem von Leibniz 1646-1716 studied philosophy mathematics, and laws Stepped Reckoner.1670. supposed toad, multiply, subtract and divided but malfunctioned
Charles Babbage 1792-1871 designed a hand-operated mechanical calculator Analytical Engine-calculating machine that used punched cards to store information in 1842. Chief Collaborator was Ada Byron 1815-1852
Herman Hollerith 1860-1929 tabulating machine.1890 Used electricity instead of gears to perform calculations.
Jhn Atanasoff 1903-1995 Clifford Berry 1918-1963 Atanasoff-Berry Computer(ABC)(1939)used binary number system used in computers today. contains 100's of vacuum tubes First digital computer weigh 750 lb and size of a desk
Mark 1-1944 Over 51 feet long and weighed over 5 tons ASCC(Automatic Sequence Controlled Calculator) Devised by Howard H. Aiken at IBM. The first large-scale automatic digital computer. Considered by some to be the 1st universal calculator
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 Mathematician, logician, cryptanalysis, and theoretical biologist. Developed idea of a universal machine in the late 30's and 40's. Called the Turing Machine. the "Enigma".
Jon von Neumann 1903-1957 Could divide 8 digit numbers in his mind at the age of 6. Built the EDVAC(Electronic Discrete Variable Automatic Computer) with Mauchly and EEckert in 1947. Inspred the construction of EDSAC(Electronic Delay Storage Automatic Calculator)in 1949.
Transistor Invented in 1947 by William Shockley, John Bardeen and Walter Brittain. One transistor replaced many tubes, Making computers smaller, less expensive and reliable.
Grace Murray Hopper 1906-1992 Received 47 honorary awards Designed COBOL(Common Business Oriented Language) a programming Language. 1st programmer for Mark 1 headed by Howard A. Aiken
Jack Kilby 1923-2005 Developed the 1st integrated Circuit in 1958. Invented the 1st hand held calculator. Studied electrical engineering.
William Gate III October 28, 1955 Founder of Microsoft Corporation Started Microsoft company in 1975 with Paul Allen(Many computer producing companies vied the Microsoft computer system)
Paul Allen Jan. 21, 1953 Co-founder of Microsoft Corporation Owner of Portland Trail Blazer
Thomas Knoll John Knoll Software engineers. Creators of Adobe Photoshop 1988 (First created "Display" which then became " Photoshop"
Peter Arvai-Co-founder of Prezi made a company I website(omuavd.se) Peter Halacsy Adam Somlai Fisher-invented Prezi in charge of all Prezi Powerpoints. Wanted to make an intenet powerpoint presentation. Prezi Established in 2009 Used by professors, students and business men/women.
The End of Timeline
Created by: Rae4137