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QUICK FIT ALGORITHAMS
Here we keep apart lists for holes and processes. Therefore this reduces the searching time for holes
Hole list and Process list. If we organize the list of holes in an ascending order we are able to easily find out the holes according to the size. And we are able to easily insert the processes into the holes.
But here it will be extremely difficult to merge some holes which are created in between two processes. For the reason that we are using separate lists for process and holes.
Consider a large web-based database. In some sense, Google is sort of like this. There might be many users who want to read from the database, but only a few users who are allowed
What is turnaround time? Turnaround time is the interval from the time of submission to the time of completion of a process. It is the sum of the periods exhausted waiting to g
Interval among the time of submission and completion of the job is known as Interval among the time of submission and completion of the job is known as Turn
Q. In some systems a subdirectory is able to be read and written by an authorized user just as ordinary files can be. a. Explain the protection problems that could arise. b.
What are the five major activities of an operating system in regard to file management? The creation and deletion of files The creation and deletion of directories The s
Write a brief note on demand paging. A demand paging is alike to a paging system with swapping. The Processes reside on the secondary memory while we want to implement a proces
Compare contiguous-memory allocation with pure paging in the following aspects: 1. In support of dynamic memory allocation: most systems allow programs to allocate more memory t
The hardware to support demand paging is as follows Page table: This table has the skill to mark an entry invalid though a valid-invalid bit or particular value of protectio
What is a Real-time system? A Real-time system is used when inflexible time requirements have placed on the operation of processor or the flow of data so it is often used as a
For the heat conduction problem, investigate the effects on the numerical solution of the following aspects: 1. non-uniform meshes with re?nement at both ends versus a uniform m
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