Operating System Questions Answers - Set 2

• 15. Banker's algorithm for resource allocation deals with ?

  1. deadlock prevention
  2. deadlock aviodance
  3. deadlock recovery
  4. circular wait

  Answer :

  Option B

• 16. Seek analysis is for ?

  1. Paging issues
  2. device busy problems
  3. control unit busy problems
  4. all of above

  Answer :

  Option B

• 17. When did IBM released the first version of its disk operating system DOS version 1.0 ?

  1. 1981
  2. 1982
  3. 1983
  4. 1984

  Answer :

  Option A

• 18. If the CPU scheduling policy is FCFS, then what would be average waiting time ?

  1. Only assumption I is implicit
  2. Only assumption II is implicit
  3. Either I or II is implicit
  4. Neither I nor II is implicit
  5. Both I and II are implicit
  6. 10 ms
  7. 10.8 ms
  8. 12 ms
  9. 12.8 ms

  Answer :

  Option

• 19. Spooling is most beneficial where

  1. Only conclusion I follows
  2. Only conclusion II follows
  3. Either I or II follows
  4. Neither I nor II follows
  5. Both I and II follow
  6. Jobs are I/O bound
  7. Jobs are CPU bound
  8. Jobs are evenly divided as I/O bound and CPU bound
  9. All of above

  Answer :

  Option

• 20. What is the name of values that are automatically provided by software to reduce keystrokes ?

  1. Data Values
  2. Default Values
  3. Defined Values
  4. Fixed Values

  Answer :

  Option B

• 21. Which of following need a device driver

  1. Cache
  2. Disk
  3. Main Menory
  4. Registers

  Answer :

  Option B