Explain the concept of mutual exclusion, Operating System

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Question 1:

(a) Discuss about the evolution of operating systems from mainframe batch systems to mainframe time sharing systems.

(b) Explain your understanding of the "suspend" state of a process, supplying justifications for its existence.

(c) Discuss about 5 possible elements involved with "process control" information.

(d) Draw a 5 state queuing diagram which caters for multiple blocked queues.

Question 2:

(a) Explain the concept of mutual exclusion.

(b) Discuss requirements needed to provide support for mutual exclusion.

(c) Discuss, stating advantages and disadvantages, of User Level threads and Kernel level threads.

Question 3:

(a) Discuss about issues involved with dynamic partitioning of memory management.

(b) Discuss the implications involved with the readers/writers problem.


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