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Explain the various page replacement strategies.
Page replacement-basic scheme with diagram
Optimal page replacement
LRU page replacement
FIFO page replacement
LRU approximation page replacement
Counting-based page replacement
Page buffering algorithm
What is the benefits OS co-operating process? Information sharing. Computation speeds up. Modularity. Convenience.
what is data-processing cycle?
Q. Several CPUs provide for more than two modes of operation. What are two probable uses of these multiple modes? Answer: Although most systems merely distinguish between use
what is file?explain the file access methods?
Use and overview? Pure and impure interpreter?
Q. What kind of operating system is Windows XP? Describe two of its major features. Answer: A 32 or 64 bit pre-emptive multitasking operating system supporting multiple use
What is a Relocatable program? The Relocatable programs can be loaded almost anywhere in memory.
Briefly discuss on page replacement? Page replacement approach is fixed as follows. If no frame is free, we search one that is not presently being used and free it. We can fre
Some CPUs provide for more than two modes of operation. What are two possible uses of these multiple modes?
Differentiate tightly coupled systems and loosely coupled systems? Loosely coupled systems:- Every processor has its own local memory Every processor can communicate
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