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Chapter 2:  Computer-System Structures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Computer-System Architecture
Computer-System Operation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Common Functions of Interrupts ,[object Object],[object Object],[object Object],[object Object],[object Object]
Interrupt Handling ,[object Object],[object Object],[object Object],[object Object],[object Object]
Interrupt Time Line For a Single Process Doing Output
I/O Structure ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Two I/O Methods Synchronous Asynchronous
Device-Status Table
Direct Memory Access Structure ,[object Object],[object Object],[object Object]
Storage Structure ,[object Object],[object Object],[object Object],[object Object],[object Object]
Moving-Head Disk Mechanism
Storage Hierarchy ,[object Object],[object Object],[object Object],[object Object],[object Object]
Storage-Device Hierarchy
Caching ,[object Object],[object Object],[object Object]
Migration of A From Disk to Register
Hardware Protection ,[object Object],[object Object],[object Object],[object Object]
Dual-Mode Operation ,[object Object],[object Object],[object Object],[object Object]
Dual-Mode Operation (Cont.) ,[object Object],[object Object],Privileged instructions  can be issued only in monitor mode .  monitor user Interrupt/fault set user mode
I/O Protection ,[object Object],[object Object]
Use of A System Call to Perform I/O
Memory Protection ,[object Object],[object Object],[object Object],[object Object],[object Object]
Use of A Base and Limit Register
Hardware Address Protection
Hardware Protection ,[object Object],[object Object]
CPU Protection ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Network Structure ,[object Object],[object Object]
Local Area Network Structure
Wide Area Network Structure

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OS_Ch2