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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.
Q. Is disk scheduling except FCFS scheduling useful in a single-user environment? describe your answer. Answer: In a single-user environment the I/O queue typically is empty.
List three ways of allocating storage, and give advantages of each. a. Contiguous allocation. Fastest, if no changes are to be made. Also simplest for random access files. b
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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,
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Consider a scenario of post mailbox, there are two processes named sender S and receiver R. Both processes can communicate with each other by name along with message. You need to I
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Elimination of common sub expression during code optimization An optimizing transformation is a rule for rewriting a section of a program to enhance its execution efficiency wi
What are the two principles in Hungarian method?
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