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Define secondary memory.
This memory holds those pages that are not there in main memory. The secondary memory is usually a high speed disk. It is called as the swap device, and the section of the disk used for this purpose is called as swap space.
is there any difference between the trap and interrupt??
Q. Why is it complicated to protect a system in which users are allowed to do their own I/O? Answer: In earlier chapters we identified a distinction among kernel and user mod
General Graph Directory A serious trouble with using an acyclic graph structure is making sure that there are no cycles. When links are further added to an existing tree struc
COMPARISON OF DISK SCHEDULING ALGORITHMS Name Description Remarks (Selection according to requestor) RSS Random scheduling fo
Produce a referenced four page report which describes the possible functionality of the system; similar systems that are out there and different possible approaches to delivering t
What are the different types of semaphore? Principally the semaphore is able to be classified into two on the basis of their values a) Counting semaphore: In counting s
what is Number System
Write a note on the usage of semaphores. Semaphore is a synchronization tool and it is a variable having integer values. It is accessed only by two standard atomic operations w
Q. Show that a few schedules are possible under the two-phase locking protocol however not possible under the timestamp protocol and vice versa. Answer: A schedule that is auth
Q. Is disk scheduling except FCFS scheduling useful in a single-user environment? describe your answer. Answer: In a single-user environment the I/O queue typically is empty.
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