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USER-LEVEL THREADS (ULT)
In this level the kernel isn't aware of the existence of threads -- All thread management is complete by the application by using a thread library. Thread switching doesn't require kernel mode privileges no mode switch and scheduling is application specific.
What is busy waiting? When strict alteration is done there may take place situation like two processes setting their flag as true. Therefore both of the processes have equal pr
Question: (a) The actual use and scope groups depend on the mode in which a domain is running. There are two domain modes in which you can run a Windows 2000 domain. List and d
When the Page fault frequency in an operating system is reduced Locality of reference is appropriate to the process
Enhanced Second chance algorithm In this a modify bit is as well used. Now if the ordered pair of reference and modify is (0,0) neither recently used nor modified - the best
Q. Benefits and Drawbacks of Batch System? Benefits of Batch System: Move much of the work of operator to computer. Increased performance as it was possible for j
diffenciet between least recently used and not recently used
Q. What are the major differences between capability lists and access lists? Answer: An access list is a list for each object consisting of the domains with a nonempty set of
Explain what ISAM is. Indexed sequential access method. The file is stored in sorted order. ISAM has a master index file, indicating in what part of another index file the key
Define FIFO Page Replacement Algorithm This policy simply eliminates pages in the order they arrived in the main memory. By using this policy we simply remove a page based upo
Question 1 What is a file? Write down the operations on files Question 2 What do you mean virtual machine? Write down the application of virtual machine Question 3 What
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