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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. Operating system is

  • A collection of hardware components
  • A collection of input output devices
  • A collection of software routines
  • All of above

Answer: Option C

2. Which is single user operating system

  • MS-DOS
  • UNIX
  • XENIX
  • LINUX

Answer: Option A

3. If the property of locality of reference is well pronounced in a program

  • the number of page faults will be more
  • the number of page faults will be less
  • the number of page faults will same
  • none of above

Answer: Option B

4. Dispatcher function is to

  • put tasks in I/O wait
  • schedule tasks in processor
  • change task priorities
  • All of above

Answer: Option A

5. Fragmentation of a file system

  • occurs only is file is not used properly
  • can always be prevented
  • happens in all file systems
  • can be removed by compaction

Answer: Option B

Read more from - Operating System Questions Answers - Chapter 1
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