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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?
Additional Reference bits algorithm Here we keep an 8-bit byte for every page in memory. At standard intervals the reference bit is shifted by the OS. If a shift register conta
LOOK o Like SCAN except stops moving inwards (or outwards) when no more requests in that direction exist. C-SCAN (circular scan) o Moves inwards servicing requests u
What is sector sparing is proper definition
What do you mean by first fit? First fit allocates the first hole that is big sufficient .Searching can either start at the starting of the set of holes or where the previous f
What is the kernel? A more common explanation is that the OS is the one program running at all times on the computer usually known as the kernel, with all else being applicati
What are the benefits of multithreaded programming? The advantages of multithreaded programming can be broken down into four main categories: Responsiveness Resourc
what is instant messaging used for
Define the Scheduling in Multitasking Earlier we learned the concepts and advantages of multitasking. In a system in which one or more tasks( threads or processes) attempt to s
Problem: a) Define the term ‘process' and what are the different constituents of a process. b) In the three-state process model, what does each of the three states signify?
what are the objective of operating system assignment
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