Explain multilevel feedback queue in detail A process can move among the various queues; aging can be executed this way Multilevel-feedback-queue scheduler explained by the following parameters: - 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     Posted Date: 6/6/2013 5:33:35 AM | Location : United States

Ask an Expert

Your posts are moderated

Write your message here..

Related Questions

Explain operating systems for mainframe computers, What are the main differ... What are the main differences between operating systems for mainframe computers and personal computers? The design goals of operating systems for those machines are quite diffe

Explain User-level threads (ult), USER-LEVEL THREADS (ULT) In this lev... USER-LEVEL THREADS (ULT) In this level the kernel isn't aware of the existence of threads -- All thread management is complete by the application by using a thread library. Th

Explain the circumstances under which os use mutexes, Q. Give the reasons ... Q. Give the reasons why Windows XP, Solaris and Linux implement multiple locking mechanisms. Explain the circumstances under which they use mutexes, spinlocks, semaphores, adaptiv

Problem of unbalanced loads, Present your own fully documented and tested p... Present your own fully documented and tested programming example illustrating the problem of unbalanced loads. Describe the use of OpenMP's scheduler as a means of mitigating this

Explain a working of file control block, Explain a working of file control ... Explain a working of file control block A file control block (FCB) has information about the file, containing ownership, permission, and location of the file contents. The log

Explain basic file system file system architecture, Basic File System ... Basic File System Uses the specific device driver. Deals with blocks of data that are exchanged with the physical device. Concerned with the placement of blocks on

What lead to the concept of paging?, What lead to the concept of paging? ... What lead to the concept of paging? The main memory is separated into two parts that are one for the resident operating system, and one for the user processes. We may perhaps p

Gang scheduling , Gang Scheduling : A set of related process is scheduled ... Gang Scheduling : A set of related process is scheduled to execute on a set of processors at the similar time, on a 1-to-1 basis. Closely related processes or threads may be sched

Semaphore examples, Ok so i think i got this right by not 100% on this. wha... 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

What is the main problem with the fcfs scheme, Question : a) Consider ... Question : a) Consider table 1.0 below, assume the processes arrived in the order P 1 , P 2 , P 3 , P 4 at time shown and need the indicated burst time (both in milliseconds)