Question Detail

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
Similar Questions :

1. Semaphores function is to

  • synchronize critical resources to prevent deadlock
  • synchronize processes for better CPU utilization
  • used for memory management
  • none of above

2. A public key encryption system

  • Allows only the correct sender to decode the data
  • Allows only the correct receiver to decode the data
  • Allows anyone to decode the data
  • none of above

3. Which is non pre-emptive

  • Round robin
  • FIFO
  • MQS
  • MQSF

4. Which of the following does not interrupt an running process

  • A device
  • Timer
  • Schedular Process
  • Power failure

5. A thread is

  • lightweight process where the context switching is low
  • lightweight process where the context swithching is high
  • used to speed up paging
  • used in dead locks
Read more from - Operating System Questions Answers - Chapter 1