CS2254 OPERATING SYSTEM NOTES PDF

Dear students here we provide notes for Anna university 4TH sem Subject CS OPERATING SYSTEM notes pdf. you can download the OS notes as per the. Class lecture notes for second Year,fourth semester Operating Systems (Subject Code: CS) is available here in PDF formats for you to. Why is the Operating System viewed as a resource allocator & control program? 3. What is ii) Write short notes on co-operating process and schedulers. (8).

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What are the disadvantages of linked allocation? Write short notes about Process concept and process scheduling. Anna University Department of Civil Engineering B.

What is critical section problem and explain two process solutions and multiple sywtem solutions?

Operating Systems CS notes – Annauniversity lastest info

Digital Logic Circuits – Circuit using Boolean exp What is mean by streams? What is the kernel?

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What is the basic approach of page replacement? What is critical section problem? Discuss briefly the various issues involved in implementing Inter process communication IPC in message passing system.

Anna University Syllabus Materials and Question Papers: CS OPERATING SYSTEMS QUESTION PAPER

What are the use of job queues, ready queues and device queues? Anna University – B. Briefly explain the types of system calls provided by a typical operating system. Explain in detail about swapping and thrashing. The processes are assumed to have arrived in the order p1, p2, p3, p4, p5, all at time 0. What is preemptive and no preemptive scheduling? What is a semaphore?

Explain the various disk scheduling techniques 3. What are the operations that can be performed on a directory? Define logical address and physical address.

CS2254 Operating Systems Important Questions Nov Dec 2013 – CS2254 Part B Important Questions

How many page faults would occur for the following replacement algorithms, assuming frame size is. State the advantage of multiprocessor system.

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Define request edge and assignment edge. What are the advantages of Linked allocation? What is the main function of the memory-management unit?

What vs2254 the different accessing methods of a file? Write in detail about Virtual memory. Compare user threads and kernel threads. The status of the queue is as follows.

Give a detailed description about deadlocks and its characterization.

Write notes about Stable storage and tertiary storage. What is real time system? Explain the various types of computer systems. What are conditions under which a deadlock situation may arise? What are the various scheduling criteria for CPU scheduling?

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