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Semophores are used to solve the problem of

  • race condition
  • process synchronization
  • mutual exclusion
  • belady problem
Similar Questions :

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

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

2. Which is single user operating system

  • MS-DOS
  • UNIX
  • XENIX
  • LINUX

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

4. Reference bit is used for

  • Implementing LRU page replacement algorithm
  • Implementing NRU algorithm
  • To check the page table entry in the cache memory
  • none of above

5. Which operating system reacts in the actual time

  • Batch system
  • Quick response system
  • Real time system
  • Time sharing system
Read more from - Operating System Questions Answers - Chapter 1
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