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).

Author: Kiramar Akinojinn
Country: Dominican Republic
Language: English (Spanish)
Genre: Video
Published (Last): 28 July 2013
Pages: 307
PDF File Size: 15.36 Mb
ePub File Size: 18.1 Mb
ISBN: 628-3-99411-593-9
Downloads: 4325
Price: Free* [*Free Regsitration Required]
Uploader: Moll

What do you mean by best fit? Write short notes about Process concept and process scheduling. Anna University—Chemistry 1—January Question Explain about the methods used to prevent deadlocks 7. Difference between stable storage and tertiary storage. What are the advantages of Indexed allocation?

What are the various file operations? How free-space is managed using bit operatng implementation? Write about the various CPU scheduling algorithms. Give a detailed description about deadlocks and its characterization.

Related Posts  ALTEC 9444B PDF

What are conditions under which a deadlock situation may arise?

CS Operating Systems: Notes

What are the common strategies to select a free hole from a set of available holes? Explain the various page replacement strategies. Digital Logic Circuits – Circuit using Boolean exp What is critical section problem? What are the benefits OS co-operating processes? Consider the following set of process, with the length of the CPU-burst time given in milliseconds: What is an operating nohes What is a semaphore? What is virtual memory?

The processes are assumed to have arrived in the order p1, p2, p3, p4, p5, all at time 0. What is a process? Anna University – Mathematics 1 – January Que What is Demand paging?

What is the information associated with an open file? What are the advantages of Contiguous allocation? What is critical section problem and explain two process solutions and multiple process solutions?

Discuss briefly the various issues involved in implementing Inter process communication IPC in message passing system. Notess is real time system? How to request Study Material?


What is sector sparing? The status of the queue is as follows. What are the various page replacement algorithms used for page replacement?

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

Explain in detail about the threading issues. Explain in detail about Review of Computer Organization. Write about critical regions and monitors. Basic Gates and Verilog D How many page faults would occur for the following replacement algorithms, assuming frame size is.

Remember that frames are initially empty. What are the use of job queues, ready queues and device queues?

What is logical address space and physical address space?