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第七章 设备管理 PowerPoint PPT Presentation


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第七章 设备管理. 教学目的与要求: 1.掌握设备、缓冲等基本概念 2.理解 I/O 控制的几种方式、缓冲区及其作用 3.理解设备分配与设备管理 重点与难点: 1. I/O 控制方式的理解 2.缓冲区的引入及其管理 3.设备分配与管理. 主要内容: 7.1 I/O 系统组成 7.2 I/O 控制方式 7.3 缓冲管理 7.4 设备分配 7.5 设备处理 7.6 作业. 设备管理是对计算机输入输出系统的管理,是操作系统中最具多样性和复杂性的部分。其主要任务是: (1) 选择和分配输入输出设备以进行数据传输操作;

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第七章 设备管理

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1.

2.I/O

3.

1.I/O

2.

3.


  • 7.1 I/O

  • 7.2I/O

  • 7.3

  • 7.4

  • 7.5

  • 7.6


(1)

(2) CPU

(3)

7.1 I/O


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2.,

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(2)

(3)I/O

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7.4


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2LUT

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1. SPOOLING

2.SPOOLING

3.

4.SPOOLING

I/O


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2.

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2.I/O

3. 4.

5.6.I/O

7.5


1.

2.CPU

3.,

4.

5.


P2253679151718

7.6


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