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Define logical address and physical address.
An address formed by the CPU is referred as logical address. An address seen by the memory unit that is the single loaded into the memory address register of the memory is commonly referred to as physical address.
LRU evicts the page which was last accessed the farthest into the past of any page resident in physical memory, i.e. the least-recently used page. LRU approximates OPT when the rec
Dynamic scheduling : The number of thread in a program may be changed during the course of operation. Dynamic priority scheduling is a kind of scheduling algorithm in which the pr
what is file abstraction?
Define the “turn-around” time of a user job Turn- around time is total time taken to execute the job.
What is a Latency Time Latency Time is the time required through a sector to reach below read/write head.
Problem: a) Define the term ‘process' and what are the different constituents of a process. b) In the three-state process model, what does each of the three states signify?
what operating system mean
How does a program execution take place in multiprogramming? While the processor is dealing with a number of programs, the sequence with which programs are implemented will de
Q. Does Windows XP offer any user-mode processes that enable it to run programs developed for other operating systems? Describe two of these subsystems. Answer: Environmental
What is segmentation? In a segmented memory management scheme a programmer views a program to be collection of program components called as segments. Every segment is a logical
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