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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?
Hashed page table method A general approach for managing address spaces larger than 32 bits is to use a hashed page table with the hash values being the virtual-page number.
Q. What is the purpose of system calls? Answer: System calls permit user-level processes to request services of the operating system.
How is memory management done using bit maps? A bit map is here in this we signify the bit value as 0 or 1. 1-hole 0-process In this we are able to represent the proce
SCAN o Go from the outside to the inside servicing requests and after that back from the outside to the inside servicing requests. o Replicate this over and over. o Diminish
whta is an operating system ? what sorts services are provided by an operating system ?
Problem 1. What is kernel? What are the main components of a kernel? Defining Kernel Explaining Main components of Kernel 2. What is mutual exclusion? What are i
advantages and disadvantages of kernal level thread
what is application software?
The procedure for handling the page fault is as follows 1. We check the internal table to verify whether the reference was valid or invalid. 2. If the reference was invalid,
Another solution then would be to keep a pool of threads. Whenever a new task arrives, the system would simply get a thread from pool and set that thread to work on the given task.
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