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

Computer History

Timline

inventor/inventiondate
Blaise Pascal Pascaline 1642- Device that performs only addition but never worked properly.
Gottfried Wilhelm von Leibniz Step Reckoner 1670 -was supposed to add, multiply, subtract and divide but malfunction
Charles Babbage Analytical Engine-calculating machine 1842 -punched cards to store information
Herman Hollerith tabulating machine 1890 -used electricity instead of gears to perform calculations
John Atanasoff-1903 to 1995 Clifford Berry- 1918 to 1963 Atanasoff-Berry Computer (ABC) -used binary # system used in computers today *contains 100 vacuum tubes.
Mark 1- 1944 Devised by Howard H. Aiken at IBM. ASCC (Automatic Sequence Controlled Calculator) Over 51 ft long and weighed over 5 tons. First large scale automatic digital computer, considered the 1st universal calculator.
John Mauchly- 1907 to 1980 J. Presper Eckert- 1919 to 1995 ENIAC 1946- (Electronic Numerical Integration and Calculator) solves mathematical problems faster & was originally "top secret" military project.
Alan Turing- 1912 to 1954 Turing Machine or The "Enigma"- an idea of a universal machine
Jon Von Neumann- 1903 to 1957 *could divide 8 digit #s at the age of 6. EDVAC 1947 - (Electronic Discrete Variable Automatic Computer) with Mauchly & Eckert. **Inspired the construction of EDSAC (Electronic Delay Storage Automatic Calculator) in 1949
Transistor Invented by William Shockley, John Bardeen and Walter Brittain in 1947. *one transmitter replaced many tubes, making computers smaller, cheaper, and more reliable.
Grace Murray Hooper- 1906 to 1992 *received 47 honorary awards. COBOL- (Common Business Oriented Language) a programming language. *1st programmer for Mark 1.
Jack Kilby- 1923 to 2005 *studied electrical engineering. 1st hand-held calculator. 1st integrated Circuit in 1958
William Gates III- October 28th, 1951 Founder of Microsoft Corporation. Started Microsoft in 1975 with Paul Allen.
Paul Allen- January 21st, 1953 Co-Founder of Microsoft Corporation Owner of Portland Trail Blazers
Thomas Knoll John Knoll Software Engineers. Creators of Adobe Photoshop 1988
Created by: ambsscamillex