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Explain how protection is provided for the hardware resources by the operating system. Dual mode operation Sharing system resources needs operating system to make sure
Logical File System Responsible for providing the before discussed interface to the user including: File access. Directory operations. Security and protection.
Describe Three major roles of operating systems in business computer systems
How a virtual memory can be implemented? What are the benefits of using virtual memory?
A- Consider a computer system that provides a virtual memory space that consists of 8 pages. The physical memory contains 4 pages where the page size is 4Kbytes. Assume that at sp
What are the differences between process and thread? The fundamental difference between a process and a thread is that a process has an entire copy of the program to itself and
what is micro kernel
Optimal page replacement An optimal page replacement algorithm has the least page fault rate of all algorithms. The algorithm states that put back the page that will not be us
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Explain about disk scheduling with neat diagram? FCFS Scheduling SCAN scheduling C-SCAN scheduling SSTF scheduling LOOK Scheduling
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