**Who invented the first electronic computer, the ENIAC?**
The first electronic computer, the ENIAC (Electronic Numerical Integrator and Computer), was invented by John W. Mauchly and J. Presper Eckert in the United States. Developed in the 1940s at the University of Pennsylvania, ENIAC was designed to calculate artillery firing tables for the U.S. Army during World War II. It utilized over 17,000 vacuum tubes and was capable of performing thousands of calculations per second, marking a significant milestone in computing history and laying the groundwork for modern computers.