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Define Virtual memory
Virtual memory is employed in all major commercial operating systems
LRU approximation page replacement In this we are able to use the reference bit associated with the page entry to choose a page to be removed. The various algorithms used for
we need an information about the different graph directory systems in detail by using shell sort . we also application part of directory systems in practical life. please help us i
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Q. How Program execute in operating system? Program execution: Operating system loads a program in memory and executes the program. The program should be able to end its exec
Internal file structure All disk I/O is performed in units of single block, and all blocks are the similar size. It is unlikely that the physical record size will exactly match
An operating system act as an intermediary between user of a computer and computer hardware. The objective of an operating system is to provide an environment in that a user can ex
How the Nested Macro calls are expanded LIFO (Last in First out)
You are required to study the important system components, including important data structures, important functions and algorithms, and the various organizational, structural, logi
What is Multitasking? Multitasking provides power to users by offering them to run multiple applications at once. The applications are loaded into memory and appear to the user
A hard-disk drive reads “120 GB HDD 7200 rpm 3 GB/sec transfer rate”. If the drive has a sector size of 512 bytes, what is the average rotational latency and transfer time to read
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