Cpu Scheduling
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Operating System CPU Scheduling This document helps the reader to get adequate knowledge regarding various cpu scheduling technique.
Anirban Banerjee Education Group ©2007, Education Group
Operating System
Operating System
CPU SCHEDULING
CPU SCHEDULING Page 2
Operating System
Overview To maximize CPU utilization the CPU must execute some process at every time. This is the main idea behind multiprogramming. So operating system provides different technique that will help to maximize CPU utilization by scheduling the different process.
CPU Scheduler All the process resides in the ready queue. The short-term scheduler selects the job from the job pool and allocates the CPU for execution. After some time the job is switched and another job is select for execution. The ready queue store the PCB of different processes.
Preemptive & Non-Preemptive Scheduling CPU scheduling take place under four circumstances, they are The process switch from running state to waiting state (if any I/O request) The process switch from running state to ready state ()
Page 3
Operating System CPU Scheduling This document helps the reader to get adequate knowledge regarding various cpu scheduling technique.
Anirban Banerjee Education Group ©2007, Education Group
Operating System
Operating System
CPU SCHEDULING
CPU SCHEDULING Page 2
Operating System
Overview To maximize CPU utilization the CPU must execute some process at every time. This is the main idea behind multiprogramming. So operating system provides different technique that will help to maximize CPU utilization by scheduling the different process.
CPU Scheduler All the process resides in the ready queue. The short-term scheduler selects the job from the job pool and allocates the CPU for execution. After some time the job is switched and another job is select for execution. The ready queue store the PCB of different processes.
Preemptive & Non-Preemptive Scheduling CPU scheduling take place under four circumstances, they are The process switch from running state to waiting state (if any I/O request) The process switch from running state to ready state ()
Page 3
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