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

History Timeline

Term
Blaise Pascal invented a mechanical calculating device called Pascaline
Gottfried Wilhelm von Leibniz Invented the Stepped Reckoner
Charles Babbage Created the Analytical Engine-calculating machine that used punched cards to store information.
Herman Hollerith invented the tabulating machine
John Atanasoff & Clifford Barry Atanasoff-Berry computer (ABC)used binary number system used in computers today
Mark 1 invented the Automatic Sequence Controlled Calculator (ASCC)
John Mauchly & J. Presper Eckert worked on ENIAC (Electronic Numerical Integration & Calculator)
Alan Turning Invented the turning machine "the enigma"
John Von Neumann Built the EDVAC (Electronic discrete variable automatic computer) with Maulchy & Eckert.
William Shockley, John Bardeen, & Walter Brittain Invented the Transistor
Grace Murray Hopper Designed COBOL (Common Business Oriented Language)
Jack Kilby Developed the 1st integreted circuit; invented the 1st hand held calculator
William Gates Founder of Microsoft Corporation
Paul Allen Co-founder of Microsoft Corporation
Thomas & John Knoll Creators of Adobe Photoshop.
Created by: Aiyisha