Q143
Priority queue discipline may be classified as.
A.
Finite or infinite
B.
Limited & unlimited
C.
Pre-emptive or non-pre-emptive
AnswerD.
All of the above
Answer: Option C
Solution
Answer: Option C
Solution:
Priority queue discipline may be classified as Pre-emptive or non-pre-emptive. For priority queues, one must distinguish pre-emptive service from non-pre-emptive service. A service discipline is said to be non-pre-emptive if, once the service to a customer is started, it is not disrupted until the whole service requirement is completed.