Question Detail Dirty bit is used to show Page with corrupted dataWrong page in memoryPage that is modified after being loaded in the cache memorypage that is less frequently accessed Answer: Option C Similar Questions : 1. Four necessary conditions for deadlock are non pre-emption, circular wait, hold and wait and mutual exclusionrace conditionbuffer overflowNone of above Answer: Option A 2. Which operating system reacts in the actual time Batch systemQuick response systemReal time systemTime sharing system Answer: Option C 3. 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 4. Banker's algorithm deals with deadlock preventiondeadlock avoidancedeadlock recoverymutual exclusion Answer: Option B 5. In which scheduling policies, context switching never takes place FCFSround robinShortest job firstPre-empitive Answer: Option A Read more from - Operating System Questions Answers - Chapter 1