Explain the difference between non preemptive process scheduling and preemptive scheduling in terms of how the operating system makes decisions about the choice of RUNNING process in response to the event types that cause context switching from user to kernel mode.
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- If there are a number of components that go into the making of the kernel of a standard operating system, is it feasible to describe its function in a single line even if the kernel itself is comprised of multiple different parts?Explain the difference between nonpreemptive process scheduling and preemptive scheduling in terms of how the operating system makes decisions about the choice of RUNNING process in response to the event types that cause context switch from user to kernel mode.Explain the difference between non preemptive process scheduling and preemptive scheduling in terms of how the operating system makes decisions about the choice of RUNNING process in response to the event types that cause context switching from user to kernel mode.
- What happens if numerous separate processes all have the same priority levels when it comes to scheduling the CPU?The most effective method of process scheduling has been shown to beIn the context of process scheduling, what is the difference between preemptive and non- preemptive scheduling? A) CPU-bound vs I/O-bound processes B) Time-sharing vs Space-sharing C) Priority-based vs Round Robin D) The operating system can interrupt a running process in preemptive scheduling.
- Several CPU Scheduling algorithms are available. Which one would you prefer considering the overall performance of an operating system? If you are asked to implement that scheduling algorithm with Java language, how would you do it? You are not required to write any code. But you have to present the idea/algorithm from an Object-Oriented Programming point of view.The implementation of system calls ought to take place in a separate operating system. It's possible that the operating system will choose to implement a system call for its own reasons.Modern Operating Systems must tackle the challenges of Synchronization and Deadlock. ’Process Synchronization’ is the task of coordinating the execution of processes in a way that no two processes can have access to the same shared data or resource. A process requesting a resource may have to wait, if the resource is not available at that time. Sometimes, a waiting process is never able to change state, because the resources it has requested are held by other waiting processes; this situation is called ’Deadlock'.
- There has to be a comparison and contrast between process scheduling and thread scheduling.Modern Operating Systems must tackle the challenges of Synchronization and Deadlock. 'Process Synchronization' is the task of coordinating the execution of processes in a way that no two processes can have access to the same shared data or resource. A process requesting a resource may have to wait, if the resource is not available at that time. Sometimes, a waiting process is never able to change state, because the resources it has requested are held by other waiting processes; this situation is called 'Deadlock'. In concurrent programming, a "critical section" is a part of a multi-process program thatmay not be concurrently executed by more than one of the program's thread. Let us consider a 2 processes solution: do {flag[i] = TRUE;while(flag[j]); %waitCRITICAL SECTIONflag[i] = FALSE;REMAINDER SECTION} while (TRUE);Pseudo-code of $P_i$ (the one of $P_j$ is symmetric) a) Does the given solution satisfy the mutual exclusion requirement? Explain (asimple 'yes-no' answer is NOT enough.…So what happens when many processes have the same CPU scheduling priority levels?