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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. For multiprogramming operating system

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

Answer: Option B

2. Semaphores function is to

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

Answer: Option A

3. Shortest Job First executes first the job

  • with the least processor needs
  • that first entered the queue
  • that has been in the queue for the longest
  • that last entered the queue

Answer: Option A

4. 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

5. Which is single user operating system

  • MS-DOS
  • UNIX
  • XENIX
  • LINUX

Answer: Option A

Read more from - Operating System Questions Answers - Chapter 1
Post a comment

  • Sunil 10 years ago

    I think this answer is not correct because dispatcher is the function of short term scheduler.

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