The advent of ENIAC is of epoch-making significance, which indicates the arrival of the era of electronic computers. In the next 60 years, computer technology will develop at an amazing speed, and the cost performance of any technology can be improved by 6 orders of magnitude within 30 years.
1On February 4th, 946, the world's first electronic computer "ENIAC electronic numerical value and calculator" customized by the US military came out at the University of Pennsylvania. ENIAC (Chinese name: ENIAC) was developed by Oberding Weapon Test Range to meet the needs of trajectory calculation.
This calculator uses 17840 tubes, with a size of 80 feet× 8 feet, a weight of 28 tons (tons), a power consumption of 170 kilowatts, and its operation speed is 5000 additions per second, and its cost is about 487000 dollars.