电脑的学名为电子计算机，是由早期的电动计算器发展而来的。1945年，世界上出现了第一台电子数字计算机“ENIAC”，用于计算弹道。是由美国宾夕法尼亚大学莫尔电工学院制造的，但它的体积庞大，占地面积170多平方米，重量约30吨，消耗近100千瓦的电力.-The computer name for the electronic computer is by early electric calculator. In 1945, the first appeared in the world of electronic digital computers ", "used in calculating trajectory ENIAC. By the university of Pennsylvania institute of electrical manufacturing, Moore, but its size, covers an area of more than one hundred seventy square meters, the weight is about 30 tons, nearly 100 kilowatts of power consumption.