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Question 1 Explain with diagram all possible states a process visits during the course of its execution
Question 2 Discuss Inter-process Communication. What is critical-section problem? Describe
Question 3 Explain demand paging in virtual memory system
Question 4 Draw a block diagram of an I/O structure in a medium scale processor and explain its working
Question 5 Explain Network Operating System (NOS) architecture in detail
Question 6 Discuss the need for security and protection in computer systems. Write a note on computer worm and computer virus
what do you mean by starvation?explain in detail
Basic concepts When a process is to be changed in, the pager guesses which pages will be used before the process is changed out again. Instead of swapping in a entire process,
Two Level Directory This kind of structure overcomes the problems of assigning unique names to the files. Thus there need not be any confusion among users. In this kind of s
CONTROL PROGRAMS Control Programs are those programs which control & maintain the operation of computer. They provide basic facilities. Control program are further divided into
Define the DosSleep(ms) Function used in the os/2 DosSleep() suspends the currently executing thread for some time interval specified in the ms parameter. If a value of 0 is
Q. Explain about Spooling? Acronym for simultaneous peripheral operations on line. Spooling denotes to putting jobs in a buffer, a special area in memory or on a disk where
What is a resource-allocation graph? Deadlocks can be explained more precisely in terms of a directed graph called a system resource allocation graph. This graph having of a se
Explain Chaining to Handle Collision Chaining: One easy scheme is to chain all collisions in lists attached to the suitable slot. This permits an unlimited number of collision
What are two differences among user-level threads and kernel-level threads? Under what circumstances is one type better than the other? (1) User-level threads are unknown by th
LINUX VS WINDOWS I/O MANAGEMENT
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