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 methods for handling deadlocks? How to request Study Material? List the various file attributes. What is critical section jotes What are files and explain the access methods for files? Write about critical regions and monitors. Discuss briefly the various issues involved in implementing Inter process communication IPC in message passing system.
What is real time system? Explain about the methods used to prevent deadlocks 7. Write notes about disk management and swap-space management. What are the various scheduling criteria for CPU scheduling?
What are the benefits OS co-operating processes? Explain the various disk scheduling techniques 3. What is dispatch latency? What are the drawbacks of contiguous allocation of disk space? Define effective access time. Write short notes about Process concept and process scheduling.
Explain what semaphores are, their usage, implementation given to avoid busy waiting and binary semaphores. Write notes about Stable storage and tertiary storage.
Explain in detail about the threading issues. What is meant by context cs224 What is process control block? What is the basic approach of page replacement? Write in detail about file concept. Write in detail about File-System Implementation.
Explain the basic concepts of segmentation. What is the main function of the memory-management unit?
Consider the following snapshot of a system: Differentiate tightly coupled systems and loosely coupled systems. Explain the various types of computer systems. Give a detailed description sysgem deadlocks and its characterization.
What are the requirements that a solution to the critical section problem must satisfy?
What do you mean by best fit? Anna University—Chemistry 1—January Question Define seek time and latency time. Define busy waiting and spin lock.
What are the nnotes problems to implement demand paging? What are the allocation methods of a disk space? What is mean by streams? What is a reference string?
Explain about Multi-Threading Models. E Civil 5th Semester Question What are the disadvantages of linked allocation? What is the kernel? What are the different accessing methods of a file?
What is a pure demand paging? What do you mean by first fit?
What are the advantages of Contiguous allocation? Consider the following operaing of process, with the length of the CPU-burst time given in milliseconds: Write about the various CPU scheduling algorithms. What is critical section problem and explain two process solutions and multiple process solutions? Department of Computer Science and Engineering.