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Dispatcher function is to

  • put tasks in I/O wait
  • schedule tasks in processor
  • change task priorities
  • All of above

Answer: Option A

Similar Questions :

1. 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

Answer: Option A

2. Which operating system reacts in the actual time

  • Batch system
  • Quick response system
  • Real time system
  • Time sharing system

Answer: Option C

3. Scissoring enables

  • a part of data to be displayed
  • entire data to be displayed
  • full data display on fulll area of sceen
  • no data display

Answer: Option A

4. Which operating system use write through catches

  • UNIX
  • XENIX
  • ULTRIX
  • DOS

Answer: Option D

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

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

Answer: Option A

Read more from - Operating System Questions Answers - Chapter 1