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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.
Medium term scheduling This is component of the swapping function. Usually the swapping in decision is based on the need to manage the degree of multiprogramming. At a system t
What is page fault and what are the steps taken by the OS to remove page fault? A page fault is caused while a page that hasn't been brought into memory is being addressed. The
Consider a setting where processors are not associated with unique identifiers but the total number of processors is known and the processors are organized along a bidirectional ri
Explain Deadlock Every process in a set of processes is waiting for an event which only a process in the set can cause.
When the Page fault frequency in an operating system is reduced Locality of reference is appropriate to the process
Research the phenomenon of data races. Give an example of how an unprotected data race can give rise to data inconsistency. How do OpenMP and Cilk resolve this problem? Data
Q. Why do several systems store the operating system in firm ware and others on disk? Answer: For certain devices such like handheld PDAs and cellular telephones a disk with
We are use to using variables within C without thinking about where they are stored. Most variables are dynamic i.e. can change, therefore they are stored in Ram, unlike a program
i need the job to be done within 3days
explain how response time are reduced by allowing time sharing on top of multiprogramming
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