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Fault tolerance : Machine failures, Communication faults, storage device crashes, and decays of storage media must be tolerated by the system to some extent. A fault tolerant sy
Define Program preemption The Forced de-allocation of the CPU from a program which is executing on the CPU is known as Program preemption
Process termination A process terminates when it finishes implementing its final statement and asks the operating system to delete it by using the exit system call. At that tim
How can an index file be used to speed up the access in direct-access files? Have an index in memory; the index gives the key and the disk location of its corresponding record.
What are scheduling queues? Since the processes enter the system they are put into job queue. This queue contains all processes in the system. The processes that are exist in m
Compare between the one and two-dimensional memory organizations in terms of the memory structure, advantages, and disadvantages. Which approach would better support the needs o
Q. The wait() statement in every Java program examples was part of a while loop. Describe why you would always need to use a while statement when using wait() and why you would ne
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
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 fr
Advantages and disadvantages of time-sharing operating system
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