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What is a semaphore?
A semaphore 'S' is a synchronization tool which is an integer value that, apart from initialization, is accessed only by two standard atomic operations; wait and signal .Semaphores can be used to deal with the n-process critical section problem. It can be also used to resolve various Synchronization problems.
Q. Segmentation is alike to paging but uses variable-sized "pages". Describe two segment-replacement algorithms based on FIFO and LRU page replacement schemes. Remember that since
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what is multiprogramming
Define Page stealing Page stealing is taking page frames another working sets
Q. What is the purpose of system calls? Answer: System calls permit user-level processes to request services of the operating system.
Discuss the high barriers to entry in the market for PL operating systems
what is inter process communication..
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Define an assembly language Assembly language stands for a Low level programming language
Explain the basic concepts of segmentation. Segmentation definition User view of program Hardware used with diagram-segment table, base, limit & offset Protection and
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