PRACTICE NUMERICALS

Question 1

Consider the set of 5 processes whose arrival time and burst time are given below. If the CPU scheduling policy is Round Robin with time quantum = 2 unit, calculate the average waiting time and average turn-around time.

(a) 6.8 , 2.3

(b) 5.8 , 8.6

(c) 5.6 , 4.5

(d) 3.2 , 9.7

ANSWER:

Question 2

Consider the set of 6 processes whose arrival time and burst time are given below. If the CPU scheduling policy is Round Robin with time quantum = 2, calculate the average waiting time and average turn-around time.

(a) 7.33 , 10.83

(b) 8.33 , 11.83

(c) 3.33 , 9.83

(d) 6.83 , 6.58

ANSWER:

Question 3

Calculate average waiting time and average turn-around time if quantum is 2.

(a) 4.66 , 8.66

(b) 6.66 , 5.66

(c) 4.66 , 2.66

(d) 5.66 , 9.66

ANSWER:

Question 4

Consider the set of 5 processes whose arrival time and burst time are given below. If the CPU scheduling policy is Round Robin with time Quantum = 2 units, calculate the average waiting time and average turn around time.

(a) 9.8 . 5.5

(b) 10.2 , 2.6

(c) 5.8 , 8.6

(d) 2.9 , 5.3

ANSWER:

Question 5

Consider the set of 5 processes whose arrival time and burst time are given below. If the CPU scheduling policy is Round Robin with time Quantum = 2 units, calculate the average waiting time and average turn around time.

(a) 2.7 , 3.7

(b) 4.7 , 7.7

(c) 6.7 , 2.7

(d) 8.7 , 3.7

ANSWER: