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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
explain simple segmentation
explain about oprating system services and topics briefly
Explain working of the logical file system The logical file system manages metadata information. Metadata contains all of the file-system structure, excluding actual data. It h
Problem 1. List out the conditions that result in Deadlock situations. Illustrate deadlock situation with a simple graphical notation Listing conditions for deadlock occu
factors that influences layout
File allocation using I nodes. This method is used to decrease the size of the table in the above method. Every file will have an I-node list. Allow a file have 15 pointers a
Q. In what circumstances is a token-passing network more effectual than an Ethernet network? Answer: A token ring is extremely effective under high sustained load as no colli
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
Q. Consider a calculating environment where a process is given the privilege of accessing object only n times. Suggest a scheme for implementing this policy. Answer: Add an i
Q. In the IBM/370 memory protection is offered through the use of keys. A key is a 4-bit quantity every 2K block of memory has a key (the storage key) associated with it. The CPU
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