Question Detail In real time OS, which is most suitable scheduling scheme round robinFCFSpre-emptive schedulingrandom scheduling Answer: Option C Similar Questions : 1. Which operating system use write through catches UNIXXENIXULTRIXDOS Answer: Option D 2. Disk scheduling includes deciding which should be accessed nextorder in which disk access requests must be servicedthe physical location of the filethe logical location of the file Answer: Option B 3. A hardware device which is capable of executing a sequence of instructions, is known as CPUALUCUProcessor Answer: Option D 4. Which technique is used by operating systems to execute several programs concurrently by switching back and forth PartitioningMultitaskingWindowingPaging Answer: Option C 5. Problem of thrashing is affected significantly by program structureprogram sizeprimary storage sizeall of above Answer: Option A Read more from - Operating System Questions Answers - Chapter 1