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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.
advantages and disadvantages of monolithic and layered approach
What is spooling? Spooling overlaps the I/O of single job with the computation of other jobs.
What is the purpose of system calls? System calls permit user-level processes to request services of the operating system.
DESCRIBE OPERATING SYSTEM
Determine a component of a process precedence sequence Process name, Sequence operator ‘;’ and Concurrency operator ‘,’
Define UFD and MFD. In the two-level directory structure, every user has her own user file directory (UFD). Every UFD has a similar structure, but lists only the files of a one
What is sector sparing? Low-level formatting also sets aside extra sectors not visible to the operating system. The controller can be told to change each bad sector logically w
In a multiprogramming and time-sharing environment, several users share the system simultaneously. This situation can result in various security problems. a
Explain the various page replacement strategies. Page replacement-basic scheme with diagram Optimal page replacement LRU page replacement FIFO page replacement LRU
What is a Dispatcher? The dispatcher is the module that gives control of the CPU to the process selected by the short- term scheduler. This function includes: Switching
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