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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?
Explain the concept of Reentrancy? It is a useful, memory-saving method for multiprogrammed timesharing systems. A Reentrant Procedure is one in which many users can share a si
how response times are reduced by allowing time sharing on top of multiprogramming
W hat is hashed page table & method of hashed page table with details
What is linked allocation, as detailed in text? Directory has pointers to first and last blocks of file. Every block of file (except last) has pointer to the next block.
advantages and disadvantages
Characteristics of suspend process Suspended process isn't immediately available for execution. The process may or may not be waiting on an event. For preventing t
are ''ASIC'' embeded systems
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
Explain the OS/2 Operating System Like NetWare, OS/2 manage resources at three levels, as shown in Figure 4.5 Resources may be maintained at the session, process, and thread le
Under what circumstances do page faults occur? Describe the actions taken by the operating system when a page fault occurs. A page fault happens when an access to a page that
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