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Question:

The following processes are being scheduled using a preemptive, roundrobin
scheduling algorithm. Each process is assigned a numerical priority, with a higher
number indicating a higher relative priority. In addition to the processes listed
below, the system also has an idle task (which consumes no CPU resources and is
identified as Pidle ). This task has priority 0 and is scheduled whenever the system
has no other available processes to run. The length of a time quantum is 10 units. If
a process is preempted by a higher-priority process, the preempted process is
placed at the end of the queue.
a. Show the scheduling order of the processes using a Gantt chart.
b. What is the turnaround time for each process??

The following processes are being scheduled using a preemptive, roundrobinscheduling algorithm. Each process is assigned a numerical priority, with a highernumber indicating a higher relative priority. In addition to the processes listedbelow, the system also has an idle task (which consumes no CPU resources and isidentified as Pidle ). This task has priority 0 and is scheduled whenever the systemhas no other available processes to run. The length of a time quantum is 10 units. Ifa process is preempted by a higher-priority process, the preempted process isplaced at the end of the queue.a. Show the scheduling order of the processes using a Gantt chart.b. What is the turnaround time for each process??

Step 1

Given:

The following processes are being scheduled using a preemptive, roundrobin
scheduling algorithm. Each process is assigned a numerical priority, with a higher
number indicating a higher relative priority. In addition to the processes listed
below, the system also has an idle task (which consumes no CPU resources and is
identified as Pidle ). This task has priority 0 and is scheduled whenever the system
has no other available processes to run. The length of a time quantum is 10 units. If
a process is preempted by a higher-priority process, the preempted process is
placed at the end of the queue.
a. Show the scheduling order of the processes using a Gantt chart.
b. What is the turnaround time for each process??

 

 

Step 2

Answer:

Computer Science homework question answer, step 2, image 1

a. Show the scheduling order of the processes using a Gantt chart.

p1p2pidlep2p3p2p3p4p2p3pidlep5p6p5

0          10            20          25         35            45          55     60             75           80         90         100 105 115  120
b. What is the turnaround time for each process??

 p1: 20-0 -20, p2: 80-25 = 55, p3: 90-30 = 60, p4: 75-60 = 15, p5: 120-100 = 20, p6: 115-105 = 10

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QUESTION 6 (a) The bar shown in Figure Q2(a) is subjected to tensile load of 150 Kn. If the stress in the middle portions is limited to 160 N/mm², determine the diameter of the middle portion. Find also the length of the middle portion if the total elongation of the bar is to be 0.25 mm. E E = 2.0 + 105N/mm². (12 marks) 150 KN 10 cm DIA 10 cm DIA 150 KN 45 cm Figure Q6(a) (b) A brass bar, having cross-section area of 900 mm², is subjected to axial forces as shown in Figure Q2(b), in which AB = 0.6 m, BC = 0.8 m, and CD = 1.0 m. Find the total elongation of the bar. E = 1.0 + 105N/mm2 . (8 marks) Page 4 of 5 B D 40 KN 70 KN 20 KN 10 KN Figure Q6(b) (TOTAL = 20 MARKS)

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