Question Detail 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 Similar Questions : 1. Shortest Job First executes first the job with the least processor needsthat first entered the queuethat has been in the queue for the longestthat last entered the queue Answer: Option A 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. If the property of locality of reference is well pronounced in a program the number of page faults will be morethe number of page faults will be lessthe number of page faults will samenone of above Answer: Option B 4. A high paging rate may cause a high I/O ratekeeps the system running wellis a symptom of too much processor activityalways creates a slow system Answer: Option A 5. A public key encryption system Allows only the correct sender to decode the dataAllows only the correct receiver to decode the dataAllows anyone to decode the datanone of above Answer: Option B Read more from - Operating System Questions Answers - Chapter 1