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Demand paging
With demand paging, a page is called into memory only when a location on that page is actually indexed during run time. With pre-paging, pages other than the one given by a page fault are achieved in. The obtains of such pages is done based on common access frames, usually for secondary storage devices.
Question 1 Explain the following with respect to Resource Management in Distributed Systems- Task assignment Approach Load - Balancing Approach Load - Sharing Approach
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Concept of Reentrancy It is a useful, memory-saving method for multiprogrammed timesharing machines. A Reentrant method is one in which multiple clients can share a singl
Describe the differences between foreground and background processing. What advantage does background processing provide? 1. Background processes typically run with little or no
Q. Which of the subsequent instructions should be privileged? a) Read the clock b) Clear memory c) Set value of timer d) Issue a trap instruction e) Turn off interr
Q. Give an instance of an application in which data in a file should be accessed in the following order: a. Sequentially b. Randomly Answer: a. Print the content of
Explain a boot control block A boot control block can have the information required by the system to boot an operating from that partition. If the disk does not have an operati
Multi-level page tables are tree-like structures to hold page tables. As an example, consider a two- level page table, again on a 32-bit architecture with 212 = 4 kbyte pages. Now,
Write a short note about context switch. Switching the CPU to another process needs saving the state of the old process and loading the saved state for the new process. This ta
What is a binary Semaphore?
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