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Effects of multiprogramming on resource utilization
With the utilize of multiprogramming, batch processing is able to be quite efficient .Just as multiprogramming permits the processor to handle multiple batch jobs at a time, multiprogramming is able to be used to handle multiple interactive jobs .Both batch timesharing and multiprogramming use multiprogramming.
While the processor is dealing with a number of programs, the sequence with which programs are implemented will depend on their relative priority and on whether they are waiting for I/O. When a program former interrupted and control transfers headed for an interrupt handler, formerly the interrupt routine has completed, control may perhaps not immediately be returned to the user program that was in execution at the time. In its place, control may possibly pass to some other pending program with a higher priority. Ultimately, while it has the highest priority, the user program so as to interrupted will be resumed
In the usual multiprocessor which is dealing with coarse-grained or independent synchronization granularity, it is clear that every individual processor must be able to switch among a number of processes to achieve high use and thus better performance. Although when we deal with medium grained applications running on a multiprocessor with several processors the situation is less clear. When several processors are available, it is no longer dominant that every single processor is busy as much as possible. Relatively, we are concerned to offer the best performance on average for the applications. The application that consists of a number of threads may possibly run poorly unless all its threads are available to run concurrently.
What is a file path name? A list of the subdirectories, directories, and files we must traverse to reach a file from the root directory.
The general idea of a producer-consumer architecture is related to building a pipeline of threads, similar to the web spider from Project 2. Each step of the processing will now be
What are the three main activities of an operating system in regard to secondary-storage management? a) Free-space management. b) Storage allocation. c) Disk scheduling.
When do we write a page from physical memory back to the disk? In general, caches have two broad types of writing policies. One approach is a write-through cache. In this case,
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
Ask question #Minimum 100 difference between bounded and unbounded buffer words accepted#
MDEFINE CRITICAL SECTION
Q. What resources are utilized when a thread is created? How do they vary from those used when a process is created? Answer: For the reason that a thread is smaller than a pr
what is Number System
What disadvantages are there to this two-level directory? Without other provisions, two users who require cooperating with each other are hampered in reaching every other's fi
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