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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
Garbage collectors trade space for time. If we collect all the time (which requires a lot of processing time), the GC allocator will use the least memory possible. On the other han
Explain Process scheduling Process scheduling consists of the subsequent sub-functions: 1. Scheduling : Selects the process to be implement next on the CPU 2. D
How do we keep track of where the free pieces of memory are? One idea is to maintain a set of linked-lists of free space; each linked-list will store free chunks of some given size
What are the advantages of Indexed allocation? The benefits are a. No external-fragmentation problem b. Solves the size-declaration problems. c. Supports direct access
Mention the various features that characteristics the deadlock condition . The four circumstances that give rise to deadlock condition are: 1) Mutual exclusion : As a minim
What are the operations of processes? Process creation A process may create several new processes. The creating process is called as parent process, where as the new proce
What is the different between basic synchronization and high level synchronization
Q. Why page sizes always powers of 2? Answer: Recall that paging is executed by breaking up an address into a page and offset number. It is most competent to break the address
how do you calculate page faults
We can view an operating system as a resource allocator. Explain. We can outlook an operating system as a resource allocator. A computer system has Many resources (software and
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