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What is preemptive and nonpreemptive scheduling?
Under nonpreemptive scheduling once the CPU has been allocated to a process, the process keeps the CPU unless it releases the CPU either by terminating or switching to the waiting state. Preemptive scheduling can preempt a process which is utilizing the CPU in among its execution and give the CPU to another process.
Question: (a) Explain the similarities and differences between two different threads running in the same process and two independent processes. When would you want to use two t
What is Directory? The device directory or simply called as directory records information-such as name, location, size, and type for all files on that certain partition. The d
How is process management done in multiprocessing systems ? There are two accost for the process management in multiprocessor systems. Master-slave configuration Sy
Priority Scheduling leads to the risk of starvation: a process is ready, but never is given the processor. Some preemptive priority schedulers therefore reserve a fraction of the p
What are the main advantages of the microkernel approach to system design? Benefits typically contain the following (a) Adding a new service does not require modifying the
what is hashed page tables & explain of there work & figure
Interval among the time of submission and completion of the job is known as Interval among the time of submission and completion of the job is known as Turn
Explain system-wide open-file and per-process open-file The system-wide open-file table have a copy of the FCB of each open file, as well as other information. The per-pr
Since each thread has its own processing space therefore communication between threads will need to be done through a common global variable. Since multiple threads can access the
Describe swapping technique in UNIX systems. Swapping is used to control memory contention among processes. If there is excessively much memory contention, processes are swappe
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