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What is process control block?
Every process is represented in the OS by a process control block. It has many pieces of information associated with an exact process.
Q. What are the advantages as well as disadvantages of using circuit switching? For what types of applications is circuit switching a viable strategy? Answer: Circuit
mention the three problems that mat be caused by wrong initialization and placement of wait() and signal()operations in the use of semaphore
List ways to share files among directories in operating systems. a. Copy file from one account into another. b. Link directory entry of "copied" file to directory entry of o
How can the deadlock be prevented-Safe State Safe state : A state is safe if the system is able to allocate resources to each process in some order and still avoid deadlock.
What are the multithreading models? There are three models:- a) Many-to-One model b) One-to-One model c) Many-to-Many model
Central to implementation of a modern memory management system is the page replacement algorithm. Modern virtual memory systems break memory up into pages and map (via a page table
For the heat conduction problem, investigate the effects on the numerical solution of the following aspects: 1. non-uniform meshes with re?nement at both ends versus a uniform m
Do ratio analysis by comparing the four companies financial statements, analysis and interpretation on the four-basic group : (Refer to attachment A) Liquidity ratio Asset
The procedure for handling the page fault is as follows 1. We check the internal table to verify whether the reference was valid or invalid. 2. If the reference was invalid,
What are the main differences between operating systems for mainframe computers and personal computers? The design goals of operating systems for those machines are quite diffe
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