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. Poor response times are caused by Busy processorHigh I/O rateHigh paging ratesAny of above Answer: Option D 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. 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 4. What is the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer user's productivity? Defined valuesFixed valuesDefault valuesNone of the above Answer: Option C 5. 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 Read more from - Operating System Questions Answers - Chapter 1