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前言从四十年代末到五十年代初出现数字电子计算机以来,计算机及其应用一直在飞速的发展着,这一趋势到目前为止还远没有放慢的迹象。二十年前需要化费巨大资金才能得到的计算机,今天几乎已经普及到所有的单位,甚至家庭。计算机由于其巨大的运算速度和存贮数据及进行逻辑判断的能力,使它具有完成极其复杂的各式各样任务的可能性。随着计算机科学和工艺的发展这种可能
Foreword Since the advent of digital electronic computers from the late 1940s to the early 1950s, computers and their applications have been rapidly evolving, and so far the trend is still far from slowing. Twenty years ago, computers that required huge sums of money to be obtained were almost universally applied today to all units and even families. Computers, because of their tremendous computational speed and ability to store data and make logical decisions, make it possible to accomplish a wide variety of extremely complex tasks. With the development of computer science and technology this is possible