City Guilds Model Questions Vol1 2022 Information Technology Question 2

Practice practical question 2 from the 2022 City Guilds Model Questions Vol1 Information Technology examination. This question covers CPU scheduling, Round Robin, Process waiting time, Gantt chart .

City Guilds Model Questions Vol1 2022 Information Technology Practical

Topics: CPU scheduling Round Robin Process waiting time Gantt chart

Question 2 CITY_GUILDS_MODEL_QUESTIONS_VOL1 • 2022 • INFORMATION_TECHNOLOGY • practical

A computer uses Round Robin CPU scheduling with a time quantum of 4 ms. At time 0 three processes arrive as follows: • P1 – CPU burst 10 ms • P2 – CPU burst 6 ms • P3 – CPU burst 8 ms No other processes arrive later.

Question Parts

( a )

Draw the Gantt chart showing the order of execution for the first 20 ms.

( b )

Determine the waiting time for each process (P1, P2 and P3) until its completion.

( c )

Calculate the average waiting time for the three processes.

( d )

State which process finishes first and at what time.

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About This Question

This is City Guilds Model Questions Vol1 2022 Information Technology Question 2. It is one of the practical questions from the 2022 City Guilds Model Questions Vol1 Information Technology examination.

The question covers CPU scheduling, Round Robin, Process waiting time, Gantt chart .

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