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Write a note on multithreading.
Multithreading is the capability of an operating system to execute different parts of a program called as threads, at the same time. The programmer should carefully design the program in such a way that all the threads can run at the same time without interfacing with each other.
Define thread cancellation & target thread. The thread cancellation is the task of terminating a thread before it has completed. A thread that is to be cancelled is often refer
I am not getting what you have tried to describe here. Can you elaborate more about this, i will be thankful to you. Vinay
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
There is a process bloacked by a semaphore and no other process in the ready queue, can the blocked process get back to the ready queue without the semsignal() function?
How could we implement locks? No matter how we choose to implement them, we must have some hardware support. One possibility for implementing locks on a uniprocessor machine is is
What are the objectives and functions of operating system? Functions of operating systems 1. It allocates the resources and acts as a supervisor. 2. It hides th
What is virtual memory? Virtual memory is a method that allows the execution of processes that might not be completely in memory. It is the separation of user logical memory fr
what are disadvantages of using single directory
System Service Program system service program Supports and provides the services for other program. System service program perform Varity of tasks. They are further divided in
Since most of the programs require a lot of memory allocation/deallocation, we expect the memory management to be fast, to have low fragmentation, make good use of locality, and be
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