Functions of operating system, Operating System

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What is input output operation ?

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Multiprogramming, ? FREE ASSOCIATION ASSIGNMENTS of multiprograming

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Explain briefly the working of semaphore with example ? The E.W. Dijkstra (1965) abstracted the key idea of mutual exclusion in his concepts of semaphores. Definition A s

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Ask question #Minimum 100 words accDefine Hashing System. Describe the Hashed page table with example and mapping figure.

Explain concept of buffering, Buffering Messages exchanged by communica...

Buffering Messages exchanged by communication processes reside in a impermanent queue. Such a queue can be executed in three ways. Zero capacity: The queue length is 0.

Dynamic memory management, Usually memory is allocated from a large pool of...

Usually memory is allocated from a large pool of unused memory area called the heap. In C++, dynamic allocation/deallocation must be manually performed using commands like malloc,

Explain direct communication and indirect communication, Direct communicati...

Direct communication With direct communication each process that requires to communicate must explicitly name the recipient or sender of the communication. The send and receive

Can indefinite blocking take place, Consider the subsequent resource-alloca...

Consider the subsequent resource-allocation policy. Requests as well as releases for resources are allowed at any time. If a request for resources can't be satisfied because the re

Define overflow chaining, Define Overflow Chaining Another method will ...

Define Overflow Chaining Another method will divide the pre-allocated table into two sections: the primary area to determine which keys are mapped and an area for collisions, g

What is the use of system programs, Q. What is the use of system programs? ...

Q. What is the use of system programs? Answer: System programs are able to be thought of as bundles of useful system calls. They provide fundamental functionality to users so

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