《Operating System Concepts》阅读笔记：p13-p16

《Operating System Concepts》学习第 4 天，p13-p16 总结，总计 4 页。

一、技术总结

1.storage

指令只能在 memory 上执行，所以要执行程序，那么就要加载到内存上。

2.primary storage

primary storage 包含下面这些分类：

(1)register

(2)cache

(3)main memory

3.secondary storage

The most common secondary-storage devices are hard-disk drives (HDDs) and nonvolatile memory (NVM) devices, which provide storage for both programs and data.

(1)nonvolatile memory(如：NVM)

(2)HDDs(hard disk drives)

二、英语总结(生词：4)

1.tertiary

(1) tertiary: tert-(“third”)

adj. relating to a third level or stage.

示例：Tertiary storage(三级存储)——A type of storage that is slower and cheaper than main memory or secondary storage; frequently magnetic tape or optical disk(《Operating System Concepts》glossary G