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Question 1:
a) State the different file attributes and briefly explain the operations that can be performed on each files.
b) What is a semaphore? Describe why it is important.
c) What do you meant by a deadlock? Explain the necessary conditions for a deadlock to occur.
Question 2:
a) One important aspect of Memory Management is "Paging ". Discuss.
b) Explain the Linked Allocation of disk space to files.
Why is it not possible to enforce memory protection at compile time? Every process should be protected against unwanted interference by other process, whether intentional or
explain about design issues of network operating system
How could we implement locks? No matter how we choose to implement them, we must have some hardware support. One possibility for implementing locks on a uniprocessor machine is is
Q. Compare the utilization of networking sockets with the use of shared memory as a mechanism for communicating data between processes on a single computer. What are the merits of
Difference between threads and processes 1. Thread is flow of implementation. Process is group of instruction which is alike to that of a program except which may be stopped an
LRU evicts the page which was last accessed the farthest into the past of any page resident in physical memory, i.e. the least-recently used page. LRU approximates OPT when the rec
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
Q. What are the three main activities of an operating system in regard to secondary-storage management? Answer: 1) Free-space management 2) Storage allocation 3) Disk
Q. Explain some of the ways an application can use memory via the Win32 API. Answer: (1) Virtual memory offers several functions that allow an application to reserve and rele
Write a short note on PCB? Every process is represented in the operating system by a process control block also called a task control block. It contains more information regard
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