(一) 电子计算机是一种用电子技术来实现数学运算的计算工具。由于它具有运算速度快、存贮容量大、计算精度高等特点,因此,可用它来完成大量繁复的计算工作,解决科学技术、工程设计、工农业生产及其它各个领域中的计算问题。电子计算机按其运算方式可分为数字计算机、模拟计算机和混合计算机三种。 (A) Electronic Computer is a calculation tool that uses electronic technology to achieve mathematical operations. Because of its fast computing speed, large storage capacity and high computational accuracy, it can be used to accomplish a large amount of complicated calculations and solve computational problems in science and technology, engineering design, industrial and agricultural production, and other fields. Electronic computing by its computing methods can be divided into digital computers, analog computers and hybrid computers three.