Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


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
remaining cards
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:
restart all cards

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

Computer History


Blaise Pascal 1623-1662 Invented a mechanical calculating device called the Pascaline. 1642
Gottfried Wilhelm von Leibniz 1646-1716 Invented the Stepped Reckoner in 1670.
Charles Babbage 1792-1871 Analytical Engine-calculating machine that used punced cards to store information in 1842.
Herman Hollerith 1860-1929 Invented the tabulating machine in 1890.
John Atanasoff 1903-1995 Clifford Berry 1918-1963 Atanasoff-Berry Computer (ABC) (1939) used binary system used in computers today.
Howard H. Aiken Mark 1- 1944, 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.
Alan Turing 1912-1954 The Turing Machine a.k.a The "Enigma". 1936
John von Neumann 1903-1957 Built the EDVAC (Electronic Discrete Variable Automatic Computer) with Mauchly and Eckert in 1947.
William Shockley John Bardeen Walter Brittain The Transistor in 1947
Grace Murray Hopper 1906-1992 Designed COBOL (Common Business Oriented Language) a programming language. 1959
Jack Kilby 1923-2005 Developed the 1st integrated Circuit in 1958. Invented the 1st hand held calculator. 1967
William Henry "Bill" Gates III - October 28, 1951 Founder of Microsoft Corporation. 1975
Paul Allen - January 21, 1953 Co-founder of Microsoft Corporation. 1975
Thomas Knoll John Knoll Creators of Adobe Photoshop in 1988.
Created by: jpferrer670