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Define LRU Page Replacement Algorithm
LRU policy: LRU expands to least currently use. This policy suggests which we re- move a page whose last usage is farthest from current time. For reference string that is: 1, 2, 3, 4, 1, 2, 5, 1, 2, 3, 4, 5, we comprise the subsequent page faults.
What are the differences between process and thread? The fundamental difference between a process and a thread is that a process has an entire copy of the program to itself and
How Memory utilization factor shall be computed Memory utilization factor shall be defined as Memory in use/total memory connected
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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Problem: a) The CPU can access 2 storage devices directly. What are these 2 storage devices? b) Define 2 key issues involved in memory management. c) How do processes sha
Describe the differences between symmetric and asymmetric multiprocessing. What are three advantages and one disadvantage of multiprocessor systems? Symmetric multiprocessing t
The CTO is still impressed with your work. He just came back from a technology exposition where he heard about computer clusters. All he knows is that they are the big thing for bu
WHAT IS OPERATING SYSTEM ?ENLIST AND EXPLAIN BASIC SERVICES PROVIDE BY OS
Q. What are the three major purposes of an operating system? Answer: To offers an environment for a computer user to execute programs on computer hardware in a conveni
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