Which of the Following Accurately Describes Preemptive Multitasking

Multiple Choice

Which of the following accurately describes preemptive multitasking?

A) The OS waits for an application to release control of the processor.
B) The OS is in strict control of which processes get CPU time.
C) The user controls which application uses the CPU and when.
D) The CPU lets each application run for a fixed amount of time.