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Root directory of a disk should be placed

  • at the fixed address in the main memory
  • at a fixed location on the disk
  • at the fixed location on system disk
  • anywhere on the disk
Similar Questions :

1. Disk scheduling includes deciding

  • which should be accessed next
  • order in which disk access requests must be serviced
  • the physical location of the file
  • the logical location of the file

2. Semophores are used to solve the problem of

  • race condition
  • process synchronization
  • mutual exclusion
  • belady problem

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. For multiprogramming operating system

  • special support from processor is essential
  • special support from processor is not essential
  • cache memory is essential
  • none of above

5. 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
Read more from - Operating System Questions Answers - Chapter 1
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