Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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. Your email address is only used to allow you to reset your password. See 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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

Timeline

Inventor Invention
Blaise Pascal 1623-1662 Invented a mechanical calculating device called Pascaline 1642 Device performs only addition. Device never worked properly.
Gottfried Wilhelm von Leibniz 1646-1716 Entered Vo Leipzig at the age of 14 in 1661. invented the Stepped Reckoner in 1670. Device was used to add, subtract, and divide but malfunctioned. Only his secretary attended his funeral.
Charles Babbage 1798-1871 Analytical Engine-Calculating machine that used punch cards to store information was invented in 1842. Considered the father of computers.
Herman Hollerith 1860-1929 Invented the tabulating machine in 1890. Died on November 17,1979 of a heart attack.
John Atanasoff 1903-1995 Clifford Berry 1918-1963 Atanasoff-Berry Computer in 1939 used binary number system in computers today.Clifford helped John finish the computer.
Mark Aiken 1-1944 Went to Harvard University, ASCC- Automatic Sequence Controlled Calculator. The first large scale automatic digital computer.
John Mauchly 1907-1980 J. Presper Eckert-1919-1995 Worked on ENIAC (Electronic Numerical Integration and Calculator) invented in 1946.Army used this for calculations.
Alan Turing 1912-1954 Died of suicide. Developed idea of a universal machine in the late 30s and 40s. Founding father of computer science, called The Enigma or the Turing Machine.
Jon von Neumann 1903-1957
Popular Computers sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards