Question Detail Belady anamoly occurs in Optimal replacementFIFOLRUboth in FIFO and LRU Answer: Option B Similar Questions : 1. 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 2. For multiprogramming operating system special support from processor is essentialspecial support from processor is not essentialcache memory is essentialnone of above Answer: Option B 3. 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 4. Belady anamoly occurs in Optimal replacementFIFOLRUboth in FIFO and LRU Answer: Option B 5. Which is non pre-emptive Round robinFIFOMQSMQSF Answer: Option B Read more from - Operating System Questions Answers - Chapter 1