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Problem:
a) Explain physically what occurs when a disk is fragmented. What is the purpose of "defragmenting" a disk?
b) What is the idea behind backing up data on a secondary storage?
c) Among the different software, operating systems, applications, utilities and data, which one is the most valuable and therefore requires frequent back ups? Justify your answer.
d) Is Anti Virus a system utility? Why is the Anti Virus not embedded in the operating system when the latter is installed
Q. Catalogue the design goals of Windows XP. Answer: Design goals comprise security and reliability and Windows and POSIX application compatibility with high performance and ex
How does a program execution take place in multiprogramming? While the processor is dealing with a number of programs, the sequence with which programs are implemented will de
Define approaches that require knowledge of the system state? Answer: Deadlock detection, Deadlock prevention, Deadlock Avoidance.
What is paging? Paging is a memory management scheme that authorizes the physical-address space of a process to be noncontiguous. Paging evades the considerable problem of fi
my Operating System is windows trust but when the windows start say its windows xp. help pleaes
A UNIX file system has 1-KB blocks and 4-byte disk addresses. What is the maximum file size if i-nodes contains 10 direct entries, and one single, double, and triple indirect entry
What problems arise if the directory structure is a general graph? Searching for a particular file may result in searching the similar directory many times. Deletion of the fil
Question : a) What do you understand by a Directory Structure? Support your answer with a diagram. b) Give an example how Access Lists and Groups are arranged to mode of
Define Server Processing with Queues The efficient server processing of client request is essential for optimized client- server applications. This process is greatly enhanced
We have talked about blocking locks, which voluntarily yield, and spinlocks, which just spin until they acquire the lock. At ?rst, it seems like spinlocks are verywasteful, and tha
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