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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
code for implementing NFU page replacement algorithm
What is the exclusive feature of UNIX Shell is the exclusive feature of UNIX.
Q. What is Multiprogramming? Multiprogramming When two or more programs are in memory at the same instance, sharing the processor is referred to multiprogramming opera
Q. What is the major difficulty that a programmer should overcome in writing an operating system for a real-time environment? Answer: The major difficulty is keeping the oper
State critical section problem? Discuss three solutions to solve the critical section problem. C-S Problem:- n processes all competing to use some shared data Every
Explain the Fork-join This is primitives in a higher level programming language for implementing interacting processes. The syntax is like this: fork ; join ; where
What do you understand by “line balancing”? What happens if balance doesn’t exist?
Under what circumstances do page faults occur? Describe the actions taken by the operating system when a page fault occurs. A page fault happens when an access to a page that
Explain about demand paging? A demand paging system is same to a paging system with swapping. Processes reside on secondary memory. When we require executing a process, we chan
IMPLEMENTATION OF SEGMENTATION WITH AN EXAMPLE Segmentation is a memory-management scheme that represents the user view of memory. A logical address space is the collection of
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