Preemption and non-preemption are concepts often used in the field of operating systems, particularly in relation to process scheduling.

1. Preemption:
Preemption is a policy that allows the operating system to interrupt a currently running process and move it back to the ready state, so that another process can use the CPU. This is often done to ensure that all processes get a fair share of the CPU time.

Steps to define preemption:
a. Identify the currently running process.
b. Interrupt the process and move it back to the ready state.
c. Allow another process to use the CPU.
d. The preempted process can later be resumed from the point where it was interrupted.

2. Non-preemption:
Non-preemption, on the other hand, is a policy where a process, once granted the CPU, keeps it until it releases the CPU either by terminating or by switching to the waiting state. In this case, a running process cannot be interrupted and moved back to the ready state.

Steps to define non-preemption:
a. Identify the currently running process.
b. The process keeps the CPU until it releases it.
c. The process can only release the CPU by terminating or by switching to the waiting state.
d. A running process cannot be interrupted and moved back to the ready state.

Question

Preemption and non-preemption are concepts often used in the field of operating systems, particularly in relation to process scheduling.

1. Preemption: 
Preemption is a policy that allows the operating system to interrupt a currently running process and move it back to the ready state, so that another process can use the CPU. This is often done to ensure that all processes get a fair share of the CPU time.

Steps to define preemption:
   a. Identify the currently running process.
   b. Interrupt the process and move it back to the ready state.
   c. Allow another process to use the CPU.
   d. The preempted process can later be resumed from the point where it was interrupted.

2. Non-preemption: 
Non-preemption, on the other hand, is a policy where a process, once granted the CPU, keeps it until it releases the CPU either by terminating or by switching to the waiting state. In this case, a running process cannot be interrupted and moved back to the ready state.

Steps to define non-preemption:
   a. Identify the currently running process.
   b. The process keeps the CPU until it releases it.
   c. The process can only release the CPU by terminating or by switching to the waiting state.
   d. A running process cannot be interrupted and moved back to the ready state.

Knowee AI · Accepted Answer

Preemption and non-preemption are concepts often used in the field of operating systems, particularly in relation to process scheduling.

1. Preemption: 
Preemption is a policy that allows the operating system to interrupt a currently running process and move it back to the ready state, so that another process can use the CPU. This is often done to ensure that all processes get a fair share of the CPU time.

Steps to define preemption:
   a. Identify the currently running process.
   b. Interrupt the process and move it back to the ready state.
   c. Allow another process to use the CPU.
   d. The preempted process can later be resumed from the point where it was interrupted.

2. Non-preemption: 
Non-preemption, on the other hand, is a policy where a process, once granted the CPU, keeps it until it releases the CPU either by terminating or by switching to the waiting state. In this case, a running process cannot be interrupted and moved back to the ready state.

Steps to define non-preemption:
   a. Identify the currently running process.
   b. The process keeps the CPU until it releases it.
   c. The process can only release the CPU by terminating or by switching to the waiting state.
   d. A running process cannot be interrupted and moved back to the ready state.

Define preemption and nonpreemption.

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