faq
Differences
This shows you the differences between two versions of the page.
| Both sides previous revisionPrevious revision | Next revisionBoth sides next revision | ||
| faq [2021/03/17 04:28] – jxu | faq [2021/03/17 04:30] – jxu | ||
|---|---|---|---|
| Line 209: | Line 209: | ||
| whenever they request I/O. Whenever the I/O device is available, the Nonpremptive FCFS I/O | whenever they request I/O. Whenever the I/O device is available, the Nonpremptive FCFS I/O | ||
| Scheduler always removes from the I/O queue the process which is at the front of the I/O | Scheduler always removes from the I/O queue the process which is at the front of the I/O | ||
| - | queue, and allows that process to start performing I/O on the I/O device for the full duration of | + | queue, and allows that process to start performing I/O on the I/O device for the full duration of its I/O Time before that process makes the next request to execute on the CPU - after |
| - | its I/O Time before that process makes the next request to execute on the CPU - after | + | |
| completing I/O the process will be entered into the ready queue.) | completing I/O the process will be entered into the ready queue.) | ||
| - | |||
| - Then try to allow each process to perform one single I/O on one single I/O device while for CPU Scheduling use one of the Preemptive CPU Scheduling Algorithms C3, C5, C6 … | - Then try to allow each process to perform one single I/O on one single I/O device while for CPU Scheduling use one of the Preemptive CPU Scheduling Algorithms C3, C5, C6 … | ||
faq.txt · Last modified: 2021/04/26 22:20 by jxu