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Explain multilevel feedback queue in detail
- number of queues
- scheduling algorithms for each queue
- method used to verify when to upgrade a process
- method used to verify when to demote a process
Basic concepts When a process is to be changed in, the pager guesses which pages will be used before the process is changed out again. Instead of swapping in a entire process,
Define the Jobs which are admitted to the system for processing is called The Jobs which are admitted to the system for processing is known as long-term scheduling.
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
Q. Why page sizes always powers of 2? Answer: Recall that paging is executed by breaking up an address into a page and offset number. It is most competent to break the address
how response times are reduced by allowing time sharing on top of multiprogramming
Q. When virtual memory is executed in a computing system there are convinced costs associated with the technique and certain benefits. List the costs as well as the benefits. Is i
Write a short note on PCB? Every process is represented in the operating system by a process control block also called a task control block. It contains more information regard
a program that can do cpu scheduling algorithm priority using javascript or php to display gaant chart and calculate waiting and average waiting time
What are the deadlock p revention methodologies? a. Necessitate that processes request all resources before starting - if cannot be granted don't run. b. Process
Ok so i think i got this right by not 100% on this. what I want to figure out is if there are x visitors that can line up for a ride but only 1 passenger can get on the ride at a t
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