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Ch13 OS

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Chapter 13: I/O Systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
I/O Hardware ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
A Typical PC Bus Structure
Device I/O Port Locations on PCs (partial)
Polling ,[object Object],[object Object],[object Object],[object Object],[object Object]
Interrupts ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Interrupt-Driven I/O Cycle
Intel Pentium Processor Event-Vector Table
Direct Memory Access ,[object Object],[object Object],[object Object]
Six Step Process to Perform DMA Transfer
Application I/O Interface ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
A Kernel I/O Structure
Characteristics of I/O Devices
Block and Character Devices ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Network Devices ,[object Object],[object Object],[object Object],[object Object],[object Object]
Clocks and Timers ,[object Object],[object Object],[object Object]
Blocking and Nonblocking I/O ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Kernel I/O Subsystem ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Sun Enterprise 6000 Device-Transfer Rates
Kernel I/O Subsystem ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Error Handling ,[object Object],[object Object],[object Object]
Kernel Data Structures ,[object Object],[object Object],[object Object]
UNIX I/O Kernel Structure
I/O Requests to Hardware Operations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Life Cycle of An I/O Request
STREAMS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The STREAMS Structure
Performance ,[object Object],[object Object],[object Object],[object Object],[object Object]
Intercomputer Communications
Improving Performance ,[object Object],[object Object],[object Object],[object Object],[object Object]
Device-Functionality Progression

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