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What are the main advantages of the microkernel approach to system design?
Benefits typically contain the following
(a) Adding a new service does not require modifying the kernel,
(b) It is more secure as more operations are done in user mode than in kernel mode, and
(c) An simpler kernel design and functionality typically results in a more reliable operating system.
Q. What are two differences among user-level threads and kernel-level threads? Under what situations is one type better than the other? Answer: (1) User-level threads are un
simulate hole allocating ahogrithm
Mention some attractive properties of semaphore? The Semaphores aren't provided by hardware. However they have numerous attractive properties: Machine indep
Explain what semaphores are, their usage, implementation given to avoid busy waiting and binary semaphores. Semaphore definition Usage for mutual exclusion and process synch
What is single and multithreading and thread pool?
Q. In the IBM/370 memory protection is offered through the use of keys. A key is a 4-bit quantity every 2K block of memory has a key (the storage key) associated with it. The CPU
Define Ageing Ageing is a method of enhancing the priority of process waiting in Queue for CPU allocation
is the operating system windows sometimes interupts
Is it probable to have a deadlock involving only one single process? Describe your answer. Answer: No This pursue directly from the hold-and-wait condition.
Most process abstractions support processes being destroyed when the program terminates, or in response to a specific kill directive. There are two common implementations, one a "p
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