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Safety algorithm: This is to make sure if the system is in safe state or not. It may need an order of m x n2 operation to determine if the state of the system is safe or not.
Resource Request algorithm: This determines if the resources are able to be safely granted. If the request is less than the available resources means the system can grant the resources but if this condition is false, after that the system should wait for the resources.
Problem: a) Define a ‘file' and list the objectives of the file management system. b) List the ways in which programs access files and determine for what file types you woul
Q. What are the three main activities of an operating system in regard to secondary-storage management? Answer: 1) Free-space management 2) Storage allocation 3) Disk
what is system performence?
basic advantage of using interrupt initiated data transfer over transfer under program control without an interrupt
Q. What are the five main activities of an operating system in regard to process management? Answer: a. The creation as well as deletion of both user and system processes
People arrive at a barber shop at the rate of one every 4.5 minutes. If the shop is full (it can hold five people altogether), 30% of the potential customers leave and come back i
Explain about demand paging? A demand paging system is same to a paging system with swapping. Processes reside on secondary memory. When we require executing a process, we chan
advantages and disadvantages
how does it works
Q. An operating system sustains a paged virtual memory using a central processor with a cycle time of 1 microsecond. It costs an additional one microsecond to access a page other
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