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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Write short notes about Process concept and process scheduling. What is the main function of syystem memory-management unit? Explain in detail about swapping and thrashing. Digital Logic Circuits – Circuit using Boolean exp What is turnaround time? What are operatimg advantages of Linked allocation? Anna University – Engineering Chemistry 1 – Januar Write notes about disk management and swap-space management. What are the functions of virtual file system VFS?


Write about critical regions and monitors. Consider the following set of process, with the length of the CPU-burst time given in milliseconds: Explain about Multi-Threading Models. Newer Post Older Post Home. What is preemptive and no preemptive scheduling?

Give the basic concepts about paging. What is a process?

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

State the advantage of multiprocessor system. What are the most common schemes for defining the logical structure of a directory? Write in detail about file concept.

List the various file attributes. Consider the following snapshot of a system: What are the various disk-scheduling algorithms? What are a safe state and an unsafe state? Explain in detail about Review of Computer Organization. How many page faults would occur for the following replacement algorithms, assuming frame size is.

cs2254 operating system question paper pdf

Define entry section and exit section. Differentiate tightly coupled systems and loosely coupled systems. What is sector sparing?

Write in detail about Allocation methods. Write in detail about Virtual memory. What is mean by streams?

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What is a file? What are the drawbacks of contiguous allocation of disk space?

The processes are assumed to have arrived in the order p1, p2, p3, p4, p5, all at time 0. What is meant by context switch? Explain about the methods used to prevent deadlocks 7.

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

What is Look Scheduling? What is the basic approach of page replacement?

What is dispatch latency? What do you mean by best fit?

Engineering Graphics – Projections of a Straight L Briefly explain the types of system calls provided by a typical operating system. What is critical section problem and explain two process solutions and multiple process solutions?

What are the disadvantages of linked allocation?