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The hardware to support demand paging is as follows
Page table: This table has the skill to mark an entry invalid though a valid-invalid bit or particular value of protection bit.
Secondary memory: This memory holds those pages that are not there in main memory. It is a high-speed disk. It is called as swap device, and the section of disk used for this purpose is called as swap space.
What are the functions of virtual file system (VFS)? a. It separates file-system-generic operations from their execution defining a clean VFS interface. It permits transparent
what are the design issues of network OS
Explain hierarchy level directory
properies of Batch oriented and interactive operating system.
Discuss the risks of having a single root user
Consider the following snapshot of a system, answer the following questions using the banker's algorithm: 1. What is the content of the matrix Need? Is the system in a safe stat
Q. A CPU scheduling algorithm determined an order for the execution of its scheduled processes. Convinced n processes to be scheduled on one processor how numerous possible differ
What do you mean by first fit? First fit allocates the first hole that is big sufficient .Searching can either start at the starting of the set of holes or where the previous f
Q. Why would it be an awful idea for gateways to pass broadcast packets between networks? What would be the merite of doing so? Answer: All broadcasts would be spreads to all
What lead to the concept of paging? The main memory is separated into two parts that are one for the resident operating system, and one for the user processes. We may perhaps p
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