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What is Two-level directory In the two-level directory structure every user has own user file directory (UFD). When a user jobs begins or a user logs in, the system's master fi
What is banker's algorithm? Banker's algorithm is a deadlock avoidance algorithm that is applicable to a resource-allocation system with multiple examples of each resource type
What is a reference string? An algorithm is evaluated by running it on a particular string of memory references and computing the number of page faults. The string of memory re
Question: a) Define the term ‘Operating System' and identify two goals of an operating system. b) What do you understand by Symmetric multiprocessing (SMP) and Asymmetr
what is meant by lazzy swapper
Question: (a) Describe blocking and non-blocking types of inter-process communication. What is easier to implement and why? Discuss their relative advantages and disadvantage
Differentiate tightly coupled systems and loosely coupled systems? Loosely coupled systems:- Every processor has its own local memory Every processor can communicate
What are the objectives of operating system? Objectives of OS 1. Convenience: An OS makes a computer more suitable to use. 2. Efficiency : An OS allows t
Q. In following Section we mentioned that disabling interrupts frequently could affect the system's clock. Describe why it could and how such effects could be minimized.
Now let us present an implementation of a producer-consumer system using condition variables. This implementation works. dequeue() lock(A) while (queue empty) { wait(A, C)
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