Question Detail Which of the following memory allocation scheme is subject to external fragmentation ? SegmentationSwappingDemand PagingMultiple Contiguous Fixed Partitions Answer: Option A Similar Questions : 1. By which of following the problem of thrashing is significantly affected ? program sizeprogram structureprimary storagesecondary storage Answer: Option B 2. Which of following need a device driver CacheDiskMain MenoryRegisters Answer: Option B 3. When did IBM released the first version of its disk operating system DOS version 1.0 ? 1981198219831984 Answer: Option A 4. Which of the following is always there in a computer ? Batch systemOperating systemTime sharing systemControlling system Answer: Option B 5. What is a page fault ? is an spelling error in a page in memoryis a reference to a page which is in another programis an access to a page not currently in memoryalways occurs whenever a page is accessed Answer: Option C Read more from - Operating System Questions Answers - Set 2