The difference between preemptive and non-preemptive multitasking ...

[humphriesbr@me.com]

The difference between preemptive and non-preemptive multitasking is ________.
 
  A) single-processor systems must use non-preemptive multitasking
  B) non-preemptive multitasking must wait for a running process to voluntarily relinquish the CPU before running another process
  C) non-preemptive multitasking can suspend a running process to allow another process to run
  D) preemptive multitasking works for single- and multi-processor systems.

Question 2

Multiprocess or multiuser systems run in supervisor mode for all the following situations except ________.
 
  A) when servicing and interrupt or exception B) when powering up
  C) when running the operating system code D) when running application software

[Ksh22]

Answer to Question 1

B

Answer to Question 2

D

[humphriesbr@me.com]

Thanks for the timely response, appreciate it

[bitingbit]

Wow, this really help