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Q. How would utilize of a RAM disk affect your selection of a disk-scheduling algorithm? What factors would you require to consider? Do the similar considerations apply to hard-disk scheduling given that the file system stores recently utilized blocks in a buffer cache in main memory?
Answer: Disk scheduling attempts to decrease the overhead time of disk head positioning. Ever since a RAM disk has uniform access times scheduling is largely unnecessary. The comparison among RAM disk and the main memory disk-cache has no implications for hard-disk scheduling for the reason that we schedule only the buffer cache misses not the requests that find their data in main memory.
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 C
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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
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KERNEL-LEVEL THREADS (KLT) In this level every thread management is done by kernel .No thread library except an API system calls to the kernel thread facility exists. The kern
Construct a process tree similar to Figure 1. Look up the Linux command pstree -p and describe what it does. Then type in the command the capture the output.
1. How is reliability enhanced with the microkernel approach to system design? 2. In a virtual machine design where guest operating systems are independent virtual machines sup
I need help,i want a brief and easy explanation to understand and write in exams and easy to understand topic of DMA block diagram which Is of I/O management and scheduling? can u
Determine the task of the Pass II In a two-pass assembler Synthesize the target program is the task of the Pass II
Define the Non Monolithic Coding First off, client - server developers must adopt a new programming mindset. Much as with the shift to object - oriented design, developers sho
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