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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 by whom.
b. Choose which processes are to be loaded into memory when memory space becomes available.
c. Allocate as well as deallocate memory space as needed.
Define System Call A system call is a request that is made by any program to the operating system for carrying out tasks - picked from a predefined set - which the said program
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Q. The RC 4000 system as well as other systems have defined a tree of processes (called a process tree) such that all the descendants of a process are given resources (objects) as
how do you calculate page faults
Define a state which is not a fundamental process state Answer: Blocked state is not a fundamental process state
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