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Explain about disk scheduling with neat diagram?
FCFS Scheduling
SCAN scheduling
C-SCAN scheduling
SSTF scheduling
LOOK Scheduling
Q. You have devised a fresh page-replacement algorithm that you think may be optimal. In a few contorted test cases Belady's anomaly occurs. Is the fresh algorithm optimal? Descr
The different paging techniques are 1. Multilevel paging or hierarchical paging method: In definite cases the page table may consist up to 1 million entries. This would be
What is page fault and what are the steps taken by the OS to remove page fault? A page fault is caused while a page that hasn't been brought into memory is being addressed. The
Define Ageing Ageing is a method of enhancing the priority of process waiting in Queue for CPU allocation
Define a public key encryption system Allows just the correct receiver to decode the data
LRU page replacement In least lately used page replacement algorithm we will replace that page that hasn't been used for the longest period of time. This is similar as an opti
what are the threds in operating system?
using the transformation process model and system thinking concepts explain the key operation of TGL works.
What is critical section? Every process has a segment code called the critical section, in which the process may be updating tables, changing variables, writing file and etc. W
Briefly discuss on page replacement? Page replacement approach is fixed as follows. If no frame is free, we search one that is not presently being used and free it. We can fre
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