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Virtual addresses are made up of two parts: the ?rst part is the page number, and the second part is an offset inside that page. Suppose our pages are 4kb (4096 = 212 bytes) long,
What is the purpose of system calls? System calls permit user-level processes to request services of the operating system.
Explain Threads for Executing Concurrent Application Code The thread has been introduced in many operating systems as an efficient mechanism for executing concurrent applicatio
What is the kernel? A more common explanation is that the OS is the one program running at all times on the computer usually known as the kernel, with all else being applicati
Q. Why is it important to scale up system bus and device speeds as the CPU speed increases? Answer: Consider a system which carries out 50% I/O and 50% computes. Doubling-up
Introduction of linux
Resolution of externally defined symbols is carried out by Resolution of externally defined symbols is carried out by Linker
Question : a) What do you understand by a Directory Structure? Support your answer with a diagram. b) Give an example how Access Lists and Groups are arranged to mode of
Demand paging With demand paging, a page is called into memory only when a location on that page is actually indexed during run time. With pre-paging, pages other than the one
Parent process P creates three child processes, C1, C2, and C3. Each child process executes a memory and CPU intensive application of your choice. Your choice should be such that
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