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Operating Systems
1. Illustrate the Microkernel Architecture with suitable diagram.
2. When Deadlock occurs? What are the Necessary Conditions for Deadlock?
3. Describe first-fit, Best-fit and worst-fit allocation algorithms with an example.
4. Explain the various methods of file access? Briefly.
5. List and explain the main functions of Network Operating System (NOS).
6. Describe in brief the basic architectures for multiprocessor interconnections.
MEMORY MANAGEMENT USING BIT MAPS In this memory is separated into different allocation units each of some particular size(a few bites).consider every space of size 4k. A
what is process creation and how to create a process
Identifying parallelism A formal way to identify parallelism in an activity is to draw a task dependence graph in a directed graph in which each vertex represents a task to
What is the purpose of system programs? System programs can be thought of as bundles of useful system calls. They give basic functionality to users and so users do not require
Q. What are the reasons for process suspension? Reasons for process suspension 1. Swapping 2. Timing 3. Interactive user request 4. Parent process request
Explain Wait for Graph a. Use a resource allocation graph to derive a wait-for graph. b. Wait-for graph acquired by making an edge from p 1 to p 2 iff p 1 is waiting for
Q. Present an algorithm for reconstructing a logical ring after a process in the ring fails? Answer: Typically distributed systems utilize a coordinator process that performs
Q. Why page sizes always powers of 2? Answer: Recall that paging is executed by breaking up an address into a page and offset number. It is most competent to break the address
simple explanation
Write a note on deadlocks. The proper definition of deadlock A set of processes is deadlocked if every process in the set is waiting for an event that only a proces
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