https://www.techtud.com/multiple-choice-question/suppose-following-job...
https://www.techtud.com/multiple-choice-question/suppose-following-jobs-...
Explain this solution a bit more I am not able to get the solution
1Comment
Shamshad Hussain saifi @shamshadhussain
2 Jan 2020 07:55 pm

In multilevel queue scheduling , if one level time quantum exits, it goes to next lower level 

ML Queue Scheduling uses RR scheduling

Here it is given time quantum of 1st level queue is 2 ms

2nd level of queue is 4 ms

and 3rd level queue is 8 ms

Now, solve accordingly

Now, Throughput for all processes (8+24+3+10+11)/5=11.2ms8+24+3+10+115=11.2ms

Efficiency 25÷((2×5)+(4×4)+8×100)=73.5ms

 

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