<human>:  Who invented the first computer?
<bot>: The first computer was the ENIAC, built by John Mauchly and J. Presper Eckert in 1946. It was the world’s first electronic digital computer. The ENIAC was so large that it was housed in a room the size of a basketball court. It had 18,000 vacuum tubes, and weighed 80 tons. The ENIAC was the world’s first programmable computer, and was used to calculate artillery firing tables.