City Guilds Model Questions Vol1 2020 Information Technology Question 2

Practice practical question 2 from the 2020 City Guilds Model Questions Vol1 Information Technology examination. This question covers Process scheduling, Round‑Robin algorithm, Gantt chart construction, Waiting time, Turnaround time .

City Guilds Model Questions Vol1 2020 Information Technology Practical
Topics: Process scheduling Round‑Robin algorithm Gantt chart construction Waiting time Turnaround time
Question 2 CITY_GUILDS_MODEL_QUESTIONS_VOL1 • 2020 • INFORMATION_TECHNOLOGY • practical

Four processes P1, P2, P3 and P4 arrive at a computer system with the following arrival times and CPU‑burst times (all times in milliseconds): - P1: arrival 0 ms, burst 10 ms - P2: arrival 2 ms, burst 4 ms - P3: arrival 4 ms, burst 6 ms - P4: arrival 6 ms, burst 8 ms Using a Round‑Robin scheduling algorithm with a time‑quantum of 4 ms, answer the questions below.

Question Parts

( a )
Draw the Gantt chart showing the order of execution of the processes.
( b )
Calculate the average waiting time of the four processes (to one decimal place).
( c )
Calculate the average turnaround time of the four processes (to one decimal place).
( d )
Which process completes first and why?

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This is City Guilds Model Questions Vol1 2020 Information Technology Question 2. It is one of the practical questions from the 2020 City Guilds Model Questions Vol1 Information Technology examination.

The question covers Process scheduling, Round‑Robin algorithm, Gantt chart construction, Waiting time, Turnaround time .

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