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Multithreading Models the majority multithreading models fall into one of the following categories of threading implementation:
1. Many-to-One
2. One-to-One
3. Many-to-Many
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
What are the various page replacement algorithms used for page replacement? FIFO page replacement Optimal page replacement LRU page replacement LRU approximat
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
list the prevention of mechanism for race condition with operating system
For example, by initializing a semaphore to 0, threads can wait for an event to occur, and impose an ordering constraint, similar to a monitor using condition variables, but with m
Determine what the “blocking factor” of a file is Blocking factor is the number of logical records in one physical record
Load Sharing : Processes are not given to a particular processor. A global queue of threads is used to maintain. Each processor, when idle, picks a thread from this queue. Note th
How is a process chosen for being swapped either in or out? Swap out: a. If the process is idle. b. If process has been in main memory for a long time.
what are the main advantages of multiprogramming
What is segmentation? In a segmented memory management scheme a programmer views a program to be collection of program components called as segments. Every segment is a logical
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