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Q. What are the major advantages of the microkernel approach to system design?
Answer: Benefits usually include the following
(a) Adding a new service doesn't require modifying the kernel
(b) It is additionally secure as more operations are done in user mode than in kernel mode
(c) A simpler kernel design as well as functionality typically results in a more reliable operating system.
What criteria are important in choosing a file organisation?
FIRST FIT ALGORITHM Scanning a list along with if a free hole is available with necessary space for the process to allocate it allocates the process in that space. The first s
Mention the various features that characteristics the deadlock condition . The four circumstances that give rise to deadlock condition are: 1) Mutual exclusion : As a minim
Q. If each the access rights to an object are deleted the object can no longer be accessed. At this stage the object should also be deleted and the space it occupies should be ret
In a multiprogramming and time sharing environment several users share the system simultaneously .what are two such problems?
Deadlock Detection and Recovery It's a method of permitting the system to enter a deadlock state, detect it and then recover. Deadlock detection : Is the process of
Demand paging With demand paging, a page is called into memory only when a location on that page is actually indexed during run time. With pre-paging, pages other than the one
Q. What is Multiprogramming? Multiprogramming When two or more programs are in memory at the same instance, sharing the processor is referred to multiprogramming opera
Discuss difference between symmetric and asymmetric multiprocessing Symmetric multiprocessing (SMP), in which every processor runs an identical copy of the operating system an
Explain Deadlock Every process in a set of processes is waiting for an event which only a process in the set can cause.
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