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Operating Systems
1. Explain Micro-kernel? Specify the benefits of Micro-kernel?
2. Describe seven state process models used for OS with necessary diagram. Differentiate between process and threads.
3. List the jobs of CPU scheduler? Explain any two scheduling algorithm.
4. Describe the algorithm of Peterson's method for mutual exclusion.
5. Elaborate how the block size is affected on I/O operation to read the file.
6. Explain programmed I/O and interrupt I/O. How do they differ?
LRU approximation page replacement In this we utilize the reference bit associated with the page entry to choose a page to be removed. The various algorithms used for the imp
explain dynamic patrician stratagies
Determining the time quantum for a job is a critical task. Given the assumptions that the average switching time between processes is s, and the average amount of time an I/O bo
Clustered file organization A clustered file is also called a B-tree-clustered file is a tree-structured file in which records with adjacent index values are clustered toget
Q. Illustrate the function of Loader? A loader is a routine which loads an object program and prepares it for execution. There are many loading schemes: relocating, absolute an
Processes- Making the System More Responsive and Useful A method by definition build up of a code execution and resource ownership. A process has two main characteristics, code
Describe paging technique used in UNIX systems. When a process begin in UNIX, not every its memory pages are read in from the disk at once. In its place, the kernel loads into
What are the advantages of Contiguous allocation? The advantages are a. Supports direct access b. Supports sequential access c. Number of disk seeks is minimal.
how is it possible
Dynamic scheduling : The number of thread in a program may be changed during the course of operation. Dynamic priority scheduling is a kind of scheduling algorithm in which the pr
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