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计算机的发展经历了哪几个阶段?各阶段的主要特征是什么?

问答题
2022-04-02 17:09
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正确答案
计算机的发展经历了第一代电子管、第二代晶体管、第三代集成电路、第四代大规模和超大规模集成电路4个阶段。各阶段的主要特征是,第一代没有系统软件,用机器语言和汇编语言进行编程,第二代系统软件出现了监控程序,提出了操作系统的概念,出现了高级语言,第三代系统软件有了很大的发展,出现了分时操作系统和会话语言,第四代操作系统不断完善,计算机的发展进入到网络时代。

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