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从一九四六年第一台电子管数字电子计算机诞生到现在不过三十多年历史,但从计算机的总发展看,已经经历了四个阶段,通常称为“四代”。目前电子计算机正向巨型(亿次以上)、微型、网络、智能模拟方向发展。从计算机本身技术来看,有四个重大的发展:第一,运算速度从每秒不到一万次提高到每秒上亿次;第二,构成计算机基本逻辑电路的元件,从电子管过渡到大规模集成电路;第三,电子计算机的外部设备(简称外设)由单一的数据输入/输出发展到多通道、多台外设的现代电子计算机系统;第
From the birth of the first digital tube electronic tube in 1946 to the present more than 30 years of history, the overall development of the computer has gone through four stages, commonly referred to as the “fourth generation.” The current computer is giant (billion times), micro, network, intelligent simulation direction. From the computer’s own technology point of view, there are four major developments: First, the arithmetic speed from less than ten thousand times per second to hundreds of millions of times per second; Second, the basic logic circuit composed of computer components from the tube to the transition Large-scale integrated circuits; third, the development of a modern electronic computer system with multi-channel peripherals and multiple peripherals from a single data input /