Question Detail

Belady anamoly occurs in

  • Optimal replacement
  • FIFO
  • LRU
  • both in FIFO and LRU

Answer: Option B
Similar Questions :

1. Which is single user operating system

  • MS-DOS
  • UNIX
  • XENIX
  • LINUX

Answer: Option A

2. Problem of thrashing is affected significantly by

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

Answer: Option A

3. Four necessary conditions for deadlock are non pre-emption, circular wait, hold and wait and

  • mutual exclusion
  • race condition
  • buffer overflow
  • None of above

Answer: Option A

4. 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

5. Which operating system reacts in the actual time

  • Batch system
  • Quick response system
  • Real time system
  • Time sharing system

Answer: Option C

Read more from - Operating System Questions Answers - Chapter 1