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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.
Explain the Peterson's solution for the critical section problem? In Peterson's solution two variables a) flag and b) turn are used as shared variables. If the both shared vari
Q. Why High level languages need Compiler? High level languages - illustrations are COBOL, FORTRAN, PL/I andALGOL - are processed by interpreters andcompilers. A compilers is a
What are the objectives for a file management system? To meet the data management wants and requirements of the user, which embrace storage of data and the ability to
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
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.
In this exercise we are going to use pthread()to simulate the dynamics between a warehouse, factory and retail. The factory produces product by using parts supplied by the warehou
In a multiprogramming and time-sharing environment, several users share the system simultaneously. This situation can result in various security problems. a
Write a short note on disk scheduling One of the responsibities of operating system O/S is to use the hardware efficiently. Whenever a process requires I/O to or from the
is the operating system windows sometimes interupts
What is the purpose of system calls? System calls permit user-level processes to request services of the operating system.
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