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What is Demand paging?
Virtual memory is commonly executed by demand paging. In demand paging, the pager brings only those essential pages into memory instead of swapping in a whole process. Thus it avoids reading into memory pages that will not be used anyway, reducing the swap time and the amount of physical memory required.
A- Consider a computer system that provides a virtual memory space that consists of 8 pages. The physical memory contains 4 pages where the page size is 4Kbytes. Assume that at sp
advantages and disadvantages
Write pseudo code to implement the pthread_create wrapper of the Tern memoizer. Note you need to describe your data structure for maintaining deterministic thread IDs. In addition,
Q. In following Section we mentioned that disabling interrupts frequently could affect the system's clock. Describe why it could and how such effects could be minimized.
Android operating system is an open source, Linux-based Smartphone OS. It is the world's most popular mobile platform with more than 700,000 applications and 25 billion downlo
idle thread The special thread a dispatcher will run when no ready thread is found. The primary purpose of the idle process and its threads is to remove what would otherwise b
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What is an operating system? An operating system is a program that acts as a mediator between a user and the computer hardware. The function of an operating system is to provid
What is Two-level directory In the two-level directory structure every user has own user file directory (UFD). When a user jobs begins or a user logs in, the system's master fi
Multi-user - A multi-user Operating System permits for multiple users to use the same computer at the same time and/or different times. Below are some instances of multi-user Op
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