Operating System Questions Answers - Chapter 1

• 29. Disk scheduling includes deciding

  1. which should be accessed next
  2. order in which disk access requests must be serviced
  3. the physical location of the file
  4. the logical location of the file

  Answer :

  Option B

• 30. For multiprogramming operating system

  1. special support from processor is essential
  2. special support from processor is not essential
  3. cache memory is essential
  4. none of above

  Answer :

  Option B

• 31. Root directory of a disk should be placed

  1. at the fixed address in the main memory
  2. at a fixed location on the disk
  3. at the fixed location on system disk
  4. anywhere on the disk

  Answer :

  Option B

• 32. Shortest Job First executes first the job

  1. with the least processor needs
  2. that first entered the queue
  3. that has been in the queue for the longest
  4. that last entered the queue

  Answer :

  Option A

• 33. Which operating system reacts in the actual time

  1. Batch system
  2. Quick response system
  3. Real time system
  4. Time sharing system
  5. Jayesh
  6. Subodh
  7. Alok
  8. Bhagat

  Answer :

  Option

• 34. Which process is known for initializing a microcomputer with its OS

  1. cold booting
  2. boot recording
  3. booting
  4. warm booting
  5. B
  6. C
  7. G
  8. I

  Answer :

  Option

• 35. The LRU algorithm

  1. pages out pages that have been used recently
  2. pages out pages that have not been used recently
  3. pages out pages that have been least used recently
  4. pages out the first page in a given area

  Answer :

  Option C