a) Your colleague has invented a new scheduling algorithm using the multilevel queue approach. This list of processes showing CPU burst times is below. There are three queues used in the application. The processes all start on the first queue and receive upto 10ms of burst time. Once the process has received the 10ms on the first queue, if the process still requires burst time it is passed to the second queue where it receives upto 20ms. Once the process has received the 20ms on the second queue, if the process still requires burst time it is passed to the third queue where it receives CPU time until it is completed. The operating system will only start allocating CPU time to processes on the second queue when queue 1 is empty. The operating system will only start allocating CPU time to processes on the third queue when queue 2 is empty. Process Number P1 P2 P3 P4 Burst time (ms) 21 8 35 50 ii) Is it likely that any processes will suffer starvation?

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2.
a) Your colleague has invented a new scheduling algorithm
using the multilevel queue approach. This list of processes
showing CPU burst times is below.
There are three queues used in the application. The
processes all start on the first queue and receive upto 10ms
of burst time. Once the process has received the 10ms on
the first queue, if the process still requires burst time it is
passed to the second queue where it receives upto 20ms.
Once the process has received the 20ms on the second
queue, if the process still requires burst time it is passed to
the third queue where it receives CPU time until it is
completed.
The operating system will only start allocating CPU time to
processes on the second queue when queue 1 is empty. The
operating system will only start allocating CPU time to
processes on the third queue when queue 2 is empty.
Process Number
P1
P2
P3
P4
Burst time (ms)
21
8
35
50
ii) Is it likely that any processes will suffer starvation?
Transcribed Image Text:2. a) Your colleague has invented a new scheduling algorithm using the multilevel queue approach. This list of processes showing CPU burst times is below. There are three queues used in the application. The processes all start on the first queue and receive upto 10ms of burst time. Once the process has received the 10ms on the first queue, if the process still requires burst time it is passed to the second queue where it receives upto 20ms. Once the process has received the 20ms on the second queue, if the process still requires burst time it is passed to the third queue where it receives CPU time until it is completed. The operating system will only start allocating CPU time to processes on the second queue when queue 1 is empty. The operating system will only start allocating CPU time to processes on the third queue when queue 2 is empty. Process Number P1 P2 P3 P4 Burst time (ms) 21 8 35 50 ii) Is it likely that any processes will suffer starvation?
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