Question Detail Poor response times are caused by Busy processorHigh I/O rateHigh paging ratesAny of above Answer: Option D Similar Questions : 1. Fragmentation of a file system occurs only is file is not used properlycan always be preventedhappens in all file systemscan be removed by compaction Answer: Option B 2. Dijkstra's algorithm deals with mutual exclusiondeadlock recoverydeadlock avoidancecache coherence Answer: Option C 3. Poor response times are caused by Busy processorHigh I/O rateHigh paging ratesAny of above Answer: Option D 4. For multiprogramming operating system special support from processor is essentialspecial support from processor is not essentialcache memory is essentialnone of above Answer: Option B 5. Which among following scheduling algorithms give minimum average waiting time FCFSSJFRound robinOn priority Answer: Option B Read more from - Operating System Questions Answers - Chapter 1