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Q. What are the three main activities of an operating system in regard to memory management? Answer: a. Keep follows of which parts of memory are currently being used and
LOOK o Like SCAN except stops moving inwards (or outwards) when no more requests in that direction exist. C-SCAN (circular scan) o Moves inwards servicing requests u
basic advantage of using interrupt initiated data transfer over transfer under program control without an interrupt
list trhe various classification of model and types?
Central to implementation of a modern memory management system is the page replacement algorithm. Modern virtual memory systems break memory up into pages and map (via a page table
what is dual mode operation
Define Name of some language processors? Name of some language processors are as follow: Assembler, Compiler and Interpreter
Allocators can also be used to avoid problems with unsafe languages. C and C++ are pervasive, with huge amounts of existing code. They are also memory-unsafe languages, in that the
Write a short note about the different STATES of a process. As a process implement it changes state. The state of a process is described in part by the current activity of that
explain goals of system software
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