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Load Sharing : Processes are not given to a particular processor. A global queue of threads is used to maintain. Each processor, when idle, picks a thread from this queue. Note th
What is internal fragmentation? Consider holes of 20k assume the process requests 18 bites. If we allocate accurately the request block, we are left with a hole of 2k. The over
How can an index file be used to speed up the access in direct-access files? Have an index in memory; the index gives the key and the disk location of its corresponding record.
Define CPU scheduling. CPU scheduling is the method of switching the CPU among several processes. CPU scheduling is the basis of multiprogrammed operating systems. By switching
What are the advantages and disadvantages of multithreading? Advantages : Since by multithreading multiple executions are carried out in the same process environment t
Enhanced second-chance algorithm. When we increase the second-chance algorithm by considering both the reference bit and the modify bit as an order pair. We have the following
Question 1 Explain the structure of operating system in detail Question 2 Explain the following scheduling algorithm 1) First come Firs
advantages and disadvantages
Buddy system of memory allocation Free memory is used to maintain in linked lists, each of similar sized blocks. Every block is of size 2^k. When some memory is needed by a th
defination
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