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Buffering
Messages exchanged by communication processes reside in a impermanent queue. Such a queue can be executed in three ways.
If the link is full, the sender must block unless space is available in the queue.
One reason to learn C and C++ is simply that so much software is written in these languages. A related, butmore fundamental reason, is that C and C++ are relatively low-level, allo
Recall that condition variables are synchronization primitives that enable threads to wait until a particular condition occurs. Generalizing, the combination of locks and condit
There is a process bloacked by a semaphore and no other process in the ready queue, can the blocked process get back to the ready queue without the semsignal() function?
Fault tolerance : Machine failures, Communication faults, storage device crashes, and decays of storage media must be tolerated by the system to some extent. A fault tolerant sy
Explain how protection is provided for the hardware resources by the operating system. Dual mode operation Sharing system resources needs operating system to make sure
basic advantage of using interrupt initiated data transfer over transfer under program control without an interrupt
The swapper work s on the biggest scheduling priority. Initially it will look for any sleeping process, if not get then it will see for the ready-to-run process for swapping. Bu
protection in paging
explain how response time are reduced by allowing time sharing on top of multiprogramming
code for implementing NFU page replacement algorithm
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