Question Detail A hardware device which is capable of executing a sequence of instructions, is known as CPUALUCUProcessor Answer: Option D Similar Questions : 1. In real time OS, which is most suitable scheduling scheme round robinFCFSpre-emptive schedulingrandom scheduling Answer: Option C 2. Daisy chain is a device for connecting a number of controllers to a deviceconnecting a number of device to a controllerall of above none of above Answer: Option B 3. Which operating system use write through catches UNIXXENIXULTRIXDOS Answer: Option D 4. Semophores are used to solve the problem of race conditionprocess synchronizationmutual exclusionbelady problem Answer: Option C 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