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电子数字计算机(以下简称电子计算机)是一种能进行数学运算和逻辑运算的机器。它不仅具有运算速度快,精度高,能够自动地进行运算的特点,而且它还可以自动地由外部输入信息,通过运算、判断和处理提供回控信息实现计算机控制。因此几十年来,电子计算机不仅进行了大量繁琐、复杂的计算,而且为人类做了大量的人们所力不能及的工作。所以有人把电子计算机的出现,视为人类历史上的第二次工业革命。
Electronic digital computer (hereinafter referred to as electronic computer) is a kind of mathematical operation and logic operation of the machine. It not only has the computing speed, high precision, can automatically calculate the characteristics of the operation, but it can also automatically enter information from the outside through computing, judgment and processing to provide control information to achieve computer control. For decades, therefore, not only did the computer perform a great deal of tedious and complicated calculations, but it has also done a great deal of work for human beings that people can not. Therefore, some people regard the emergence of electronic computers as the second industrial revolution in human history.