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Q. Most WANs utilize only a partially connected topology. Why is this subsequently
Answer: Cost. A completely connected network requires a link between every node in the network. For a WAN this may be too costly as communication links among physically distant hosts may be expensive.
The physical memory acts as a cache backed by the disk. When the physical memory is full, and we want to read in another page from disk, we have to evict a page from physical memor
Do ratio analysis by comparing the four companies financial statements, analysis and interpretation on the four-basic group : (Refer to attachment A) Liquidity ratio Asset
Regard as a computer system that runs 5000 jobs per month with no deadlock-prevention or deadlock-avoidance scheme. Deadlocks take place about twice per month and the operator must
The question of fairness, regarding page eviction, is a hard one. How do we decide what is fair? Many operating systems use global LRU, where pages from all processes are managed t
are ''ASIC'' embeded systems
Many early operating systems regarded processes as different timesharing users. The process abstraction is a popular way to organize concurrent programs, but it is not the only cho
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 colli
Briefly explain about file system implementation? Several on-disk and in-memory structures are used to execute a file system. On disk, the file system may have information abou
Define UFD and MFD. In the two-level directory structure, every user has her own user file directory (UFD). Every UFD has a similar structure, but lists only the files of a one
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
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