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 Pacal mechanical calculating device called Pascaline. 1642
Gottfried Wilhelm von Leibniz four functioned calculator called Stepped Reckoner. 1670
Charles Babbage Analytical Machine that stores information. 1842
Herman Hollerith tabulating machine that uses electricity to perform calculations. 1890
John Atanasoff and Clifford Berry Ananasoff-Beryy Computer that uses binary number system. 1939
Howard H. Aiken first large-scale automatic digital computer, Mark1.1944
John Mauchly and J. Presper Eckert ENIAC (Electrical Numerical Integration and Calculator) 1946
Alan Turing Turing Machine that figures out any type of computer algorithms.1936 - 1940s
Jon Von Neumann EDVAC (Electronic Discrete Variable Automatic Computer) with Mauchly and Eckert. 1947 EDSAC (Electronic Delay Storage Automatic Calculator) . 1949
John Bardeen, William Shockley, Walter Brittain Transistor that switches electronic signals and electrical power.1947
Grace Murray Hopper COBOL (Common Business Oriented Language), a flow-matic translator. 1952
Jack Kilby first electronic circuit. 1958 first hand held calculator.
Charles M. Herzfeld ARPANET, a testbed for new networking technologies. 1969
Robert Melacton Ethernet Lan that connects computers over short distances. 1973
William "Bill" Gates Microsoft Corporation. 1975
Paul Allen Microsoft Corporation (co-founder). 1975 Portland Trail Blazers
Thomas and John Knoll Photoshop. 1988
Adam Fisher, Peter Halcsy, Peter Arvai Prezi. 2009
Created by: yewon1027