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General graph directory
The serious problem with using an acyclic-graph structure is ensuring that there are no cycles. When we insert links to an existing tree-structured directory, the tree structure is damaged, resulting in a simple graph structure.
If cycles are permitted to exist in the directory, we likewise require to avoid searching any component twice, for reasons of correctness as well as performance.
How Memory utilization factor shall be computed Memory utilization factor shall be defined as Memory in use/total memory connected
Q. Give the reasons why Windows XP, Solaris and Linux implement multiple locking mechanisms. Explain the circumstances under which they use mutexes, spinlocks, semaphores, adaptiv
Q. Define Input - Output operations? Serial lines, Disks, tapes and other devices should be communicated with at a very low level. The user require only specify the device and
Explain the Spawnlp Functions Used in the NetWare Spawnlp(flags, execName, arg0,...) The Spawnlp function is used to load a NetWare executable file (NLM) specified by exec
Q. An operating system sustains a paged virtual memory using a central processor with a cycle time of 1 microsecond. It costs an additional one microsecond to access a page other
Q. Researchers have recommended that instead of having an access list associated with each file (specifying which users can access the file and how) we should have a user control
Explain the Request/Response Interface Many issues are involved in providing a procedural interface for client functions to interact with server components. First off, since
What is reference string We evaluate an algorithm by running it on a definite string of memory reference and computing the number of page faults. The string of memory reference
Central to implementation of a modern memory management system is the page replacement algorithm. Modern virtual memory systems break memory up into pages and map (via a page table
Take the binary number and divide it into groups of 4 bits starting from the right hand side , if no group of 4 exists fill out leading 0's, then convert each group of 4 to a hex n
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