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What is virtual memory?
Virtual memory is a method that allows the execution of processes that might not be completely in memory. It is the separation of user logical memory from physical memory. This separation gives an extremely large virtual memory, when only a smaller physical memory is available.
Q. Compare the utilization of networking sockets with the use of shared memory as a mechanism for communicating data between processes on a single computer. What are the merits of
how to move the system app to usb storage
how is it possible
Second chance Algorithm When the page is chosen the reference bit is checked to see whether it has been referenced before. If that is the case after that it is given a second c
Q. Is disk scheduling except FCFS scheduling useful in a single-user environment? describe your answer. Answer: In a single-user environment the I/O queue typically is empty.
Q. Explain about Spooling? Acronym for simultaneous peripheral operations on line. Spooling denotes to putting jobs in a buffer, a special area in memory or on a disk where
What is a Relocatable program? The Relocatable programs can be loaded almost anywhere in memory.
List ways to share files among directories in operating systems. a. Copy file from one account into another. b. Link directory entry of "copied" file to directory entry of o
What are the various scheduling criteria for CPU scheduling? The various scheduling criteria are CPU utilization
Assume that P A , P B and P C are three distinguished program s . When P A is executed, it needs 10 ticks to complete its execution and it forks new processes executing P B at tick
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