History Of Computers

History of Computers By: Quinton Dates

Who invented the computer • Presper Eckert, chief engineer; Prof. JohnG. Brainerd, supervisor; Sam Feltman, chief engineer for Ballistics, Ordnance Department; Capt. Herman H. Goldstine, liaison offices; Dr. John W. Mauchly, consulting engineer.

When was the first computer made • In 1946, John Mauchly and J Presper Eckert developed the ENIAC I (Electrical Numerical Integrator And Calculator).

What was it first used for

• The U.S. military used it as a calculating device for writing artillery-firing tables (the settings used for different weapons under varied conditions for target accuracy).

Why was it invented • The U.S. military needed a calculating device for writing artillery-firing tables. The Ballistics Research Laboratory.

How did it work • The ENIAC had hardware to add, subtract, multiply, divide and take a square root. The ENIAC was "build" around twenty 10 decimal digit The ENIAC was capable of performing 5000 additions/subtractions per second!