Question

Consider the following process with burst times and arrival times.
Process
Burst time
Arrival Time
PO
8
0
P1
5
P2
4
0
P3
1
1
7
Which of the following statements are
correct?
I. The average waiting time will be same usiig shortest job first and shortest remaining
time first.
II. The waiting time of process PO and process PI using Round Robin CPU scheduling
policy with time quantum as 3 units is same.
The average waiting time using first come first serve is less than the average waiting
time using short remaining time first.
th
(A)Only I
(B) Only II
(C)I and II
(D)I and III​

Answer 1

Answer:

(B) Only II

Explanation:

The waiting time of process PO and process PI using Round Robin CPU scheduling

policy with time quantum as 3 units is same.

The average waiting time using first come first serve is less than the average waiting

time using short remaining time first.