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Define ‘LRU’ page replacement policy LRU is Least Recently Used page replacement policy.
In which page replacement policy Balady’s anomaly occurs? FIFO (First in First Out)
What are the benefits of thread pools:- The benefits of thread pools are 1. It is usually faster to service a request with an existing thread than waiting to make a thread.
Question: a) Define the term ‘Operating System' and identify two goals of an operating system. b) What do you understand by Symmetric multiprocessing (SMP) and Asymmetr
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
Define Virtual memory Virtual memory is employed in all major commercial operating systems
Logical File System Responsible for providing the before discussed interface to the user including: File access. Directory operations. Security and protection.
Processes have valid and invalid entries on their page tables. The valid entries all point to some where "real" (e.g. a physical page, or some portion of disk in case of non-reside
how fat file system is organised
Operating Systems have evolved tremendously in the last few decades. The first approach for building Operating Systems, taken during the 40s through early 60s, was to allow only on
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