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Q. In what circumstances is a token-passing network more effectual than an Ethernet network?
Answer: A token ring is extremely effective under high sustained load as no collisions can occur and every slot may be used to carry a message, providing high throughput. A token ring is less efficient when the load is light (token processing takes longer than bus access therefore any one packet can take longer to reach its destination) or sporadic.
Write a brief note on demand paging. A demand paging is alike to a paging system with swapping. The Processes reside on the secondary memory while we want to implement a proces
FIXED PARTITIONING In a fixed partitioning, the operating system inhabiting some fixed portion of main memory is available for use of multiple processes -Using fixed partit
List out the advantages of windows 2000 file management. Permits detailed security for individual folders and files. Built-in granular compression capabilities
Define the “Throughput” of a system Throughput is Number of programs processed by it per unit time
Define seek time and latency time. The time taken by the head to move to the appropriate cylinder or track is known as seek time. Once the head is at right track, it must wait
Relative file organization A relative file is an array of fixed-length slots and the records can be inserted in the first free slot found from the beginning of the file and
Explain the ExitThread Function used in the Windows NT ExitThread(ExitCode) The ExitThread( ) call is made to end the currently running thread. If the current thread is th
Some CPUs provide for more than two modes of operation. What are two possible uses of these multiple modes?
Medium term scheduling This is component of the swapping function. Usually the swapping in decision is based on the need to manage the degree of multiprogramming. At a system t
Explain system-wide open-file and per-process open-file The system-wide open-file table have a copy of the FCB of each open file, as well as other information. The per-pr
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