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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.
Case laws related to accounting for investment
Question 1 Discuss the following with respect to Operating Systems: Operating System Components Operating System Services Question 2 Describe the theory behind Pagin
Q. Is disk scheduling except FCFS scheduling useful in a single-user environment? describe your answer. Answer: In a single-user environment the I/O queue typically is empty.
We can view an operating system as a resource allocator. Explain. We can outlook an operating system as a resource allocator. A computer system has Many resources (software and
Placement algorithms :calculate where in available real-memory to execute a program. Common functions are next-fit, first-fit, and best-fit. Replacement algorithms :are
Define a program in execution is known as A program in execution is known as a process
Q. Describe why SSTF scheduling tends to favour middle cylinders over the innermost and outermost cylinders. Answer: The middle of the disk is the location having the smalles
Determine the reasons for Poor response time Process busy or High I/O rates or High paging rates
Assume that P A , P B and P C are three distinguished program s . When P A is executed, it needs 10 ticks to complete its execution and it forks new processes executing P B at tick
what is segmentation as it refers to operating system
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