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Buffering Messages exchanged by communication processes reside in a impermanent queue. Such a queue can be executed in three ways. Zero capacity: The queue length is 0.
What are the services provided by the operating systems? Program Development It provides a variety of services and facilities, such as debuggers and editor, to help the
File structure Certain files must conform to a needed structure that is understood by the operating system. The operating system may consist that an executable file has a parti
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
Ask question #Minimuexplain the programable clock modes in a computer system m 100 words accepted#
What is the information associated with an open file? Various pieces of information are associated with an open file which may be: File pointer Disk location of th
LRU approximation page replacement In this we utilize the reference bit associated with the page entry to choose a page to be removed. The various algorithms used for the imp
What is a sequential file? A file that is read one record or block or parameter at a time in order, based on a tape model of a file.
Direct memory access Many computers avoid burdening the main CPU with programmed I/O by offloading sine if this work to a special-purpose processor known as a direct memory add
Define secondary memory. This memory holds those pages that are not there in main memory. The secondary memory is usually a high speed disk. It is called as the swap device, an
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