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Q. Is the Internet a LAN or else a WAN?
Answer: The Internet is a WAN as the a variety of computers are located at geographically different places and are connected by long-distance network links.
describe main points of multiuser and multi tasking operating systems.
Define ‘LRU’ page replacement policy LRU is Least Recently Used page replacement policy.
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
operating systems and its types together with its design issues and their examples.
What are three conditions that a solution for the critical section problem must satisfy? The three conditions are as following:- a) Mutual exclusion :- if a process is
Q. Is disk scheduling except FCFS scheduling useful in a single-user environment? describe your answer. Answer: In a single-user environment the I/O queue typically is empty.
limitations
Q. Catalogue the design goals of Windows XP. Answer: Design goals comprise security and reliability and Windows and POSIX application compatibility with high performance and ex
Priority Scheduling leads to the risk of starvation: a process is ready, but never is given the processor. Some preemptive priority schedulers therefore reserve a fraction of the p
Question 1: a) State the different file attributes and briefly explain the operations that can be performed on each files. b) What is a semaphore? Describe why it is impor
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