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Ch11 input output systems

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11. I/O Systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Basic Issues ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Basic Issues ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
A Hierarchical Model of I/O ,[object Object],[object Object],[object Object],Figure 11-1
I/O System Interface ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
I/O System Interface ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
I/O Devices ,[object Object],[object Object],[object Object],[object Object],[object Object],Figure 11-2
I/O Devices ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
I/O Devices ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
I/O Devices ,[object Object],[object Object],[object Object],Figure 11-3(a) Physical Figure 11-3(b) Logical
I/O Devices ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Figure 11-3(c) Figure 11-13(d)
I/O Devices ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Figure 11-4
I/O Devices ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
I/O Devices ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
I/O Devices ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Device Drivers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Figure 11-6
Device Drivers ,[object Object],[object Object],[object Object],[object Object],[object Object],Figure 11-7
Programmed I/O with Polling ,[object Object],[object Object],[object Object],[object Object],Figure 11-8
Programmed I/O with Polling ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Programmed I/O with Polling ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Figure 11-9
Programmed I/O with Interrupts ,[object Object],[object Object],[object Object],[object Object],Figure 11-10
Programmed I/O with Interrupts ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Programmed I/O with Interrupts ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Figure 11-11
DMA ,[object Object],[object Object],[object Object],[object Object],Figure 11-12
DMA ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Device Management ,[object Object],[object Object],[object Object],[object Object],[object Object],Figure 11-13
Device Management ,[object Object],[object Object],[object Object],[object Object],[object Object],Figure 11-14(a,b)
Device Management ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Device Management ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Device Management ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Figure 11-17
Device Management ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Device Management ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Figure 11-19
Device Management ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Device Management ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Figure 11-20

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Notas del editor

  1. For fast devices (high volume) so CPU not clogged with data transferring chores
  2. SSTF =Shortest Seek Time First Scan=Elevator