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. Main function of shared memory is: to use primary memory efficentlyto do intra process communicationto do inter process communicationnone of above Answer: Option C 2. Which among following scheduling algorithms give minimum average waiting time FCFSSJFRound robinOn priority Answer: Option B 3. Creating a job queue is a function of SpoolerInterperatorComplierDrive Answer: Option A 4. A hardware device which is capable of executing a sequence of instructions, is known as CPUALUCUProcessor Answer: Option D 5. Semaphores function is to synchronize critical resources to prevent deadlocksynchronize processes for better CPU utilizationused for memory managementnone of above Answer: Option A Read more from - Operating System Questions Answers - Chapter 1