Question Detail A hardware device which is capable of executing a sequence of instructions, is known as CPUALUCUProcessor Answer: Option D Similar Questions : 1. Poor response times are caused by Busy processorHigh I/O rateHigh paging ratesAny of above Answer: Option D 2. Which is non pre-emptive Round robinFIFOMQSMQSF Answer: Option B 3. Semophores are used to solve the problem of race conditionprocess synchronizationmutual exclusionbelady problem Answer: Option C 4. Problem of thrashing is affected significantly by program structureprogram sizeprimary storage sizeall of above Answer: Option A 5. 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 Read more from - Operating System Questions Answers - Chapter 1