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lec2-p4-lab1
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xyongcn authored Sep 11, 2024
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#### LibOS历史背景 -- 子程序

- 参与 EDSAC 项目的 David Wheeler 发明了**子程序**的概念 – Wheeler Jump
- 基于便捷有效的子程序概念和子程序调用机制,软件开发人员在EDSAC和后续的LEO计算机上开发了大量的系统**子程序库**,形成了最早的操作系统原型。
- 基于便捷有效的子程序概念和**子程序调用**机制,软件开发人员在EDSAC和后续的LEO计算机上开发了大量的系统**子程序库**,形成了最早的操作系统原型。

![bg right:50% 70%](figs/LEO_III_computer_circuit_board.jpg)

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