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What is process control block? Every process is represented in the OS by a process control block. It has many pieces of information associated with an exact process.
Q. What protection problems may occur if a shared stack is used for parameter passing? Answer: The contents of the stack could be conciliation by other process(es) sharing th
Explain about disk scheduling with neat diagram? FCFS Scheduling SCAN scheduling C-SCAN scheduling SSTF scheduling LOOK Scheduling
Q. Explain about Time Sharing Systems? Time Sharing Systems Multi-programmed batched systems provide an environment where various system resources (for illustration CP
Describe the differences between foreground and background processing. What advantage does background processing provide? 1. Background processes typically run with little or no
Write a note on semaphores A semaphore is a tool meant for synchronizing multiple processes trying to access a shared variable. That is a semaphore is used to deal with the cri
What is page fault? In the computer storage technology a page fault is an exception which is raised by the memory management unit when a requested page isn't mapped in physical
Second-Chance algorithm When a page has been selected, we inspect its reference bit. If the value is 0, we proceed to replace this page. If the reference bit is set to 1, thoug
Suppose we have 3 processes running at the same time as shown in the following table. Each resource only has one instance. Show a possible scenario of resource allocation that r
address binding at load time
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