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Dirty bit is used to show

  • Page with corrupted data
  • Wrong page in memory
  • Page that is modified after being loaded in the cache memory
  • page that is less frequently accessed

Answer: Option C

Similar Questions :

1. In which scheduling policies, context switching never takes place

  • FCFS
  • round robin
  • Shortest job first
  • Pre-empitive

Answer: Option A

2. Banker's algorithm deals with

  • deadlock prevention
  • deadlock avoidance
  • deadlock recovery
  • mutual exclusion

Answer: Option B

3. Memory protection is normally done by

  • the processor and the associated hardware
  • the operating system
  • the compiler
  • the user program

Answer: Option A

4. Problem of thrashing is affected significantly by

  • program structure
  • program size
  • primary storage size
  • all of above

Answer: Option A

5. Which technique is used by operating systems to execute several programs concurrently by switching back and forth

  • Partitioning
  • Multitasking
  • Windowing
  • Paging

Answer: Option C

Read more from - Operating System Questions Answers - Chapter 1