《Operating System Concepts》学习第 42 天，p490-p490 总结，总计 1 页。

一、技术总结

1.bus

A communication system; e.g., within a computer, a bus connects various components, such as the CPU and I/O devices, allowing them to transfer data and commands.

二、英语总结(生词：1)

1.oddity

(1)oddity: odd + -ity

c. odd characteristic or trait.

(2)示例

To encapsulate the details and oddities of different devices, the kernel of an operating system is structured to use device-driver modules(《Operating System Concepts》第 490 页)。

关于英语的注解同步更新汇总到 https://github.com/codists/English-In-CS-Books 仓库。

三、其它

今天没有什么想说的。

四、参考资料

1. 编程

(1) Abraham Silberschatz，Peter Baer Galvin，Greg Gagne《Operating System Concepts》：https://book.douban.com/subject/30272539/

2. 英语

(1) Etymology Dictionary：https://www.etymonline.com

(2) Cambridge Dictionary：https://dictionary.cambridge.org

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