CS 5500 Advanced Operating Systems
Homework #3
Please refer to the syllabus for expectations of homework professionalism
and appearance. Your homework is expected to be an individual effort. It is
also expected to be neat and clearly organized. The University provides
access to many software applications. Use them. Hand written papers and
poorly drawn diagrams are not acceptable. You must submit the softcopy of
your homework in a Word file by the specified due date and time. You can
find the submission link in the Blackboard.
This homework is due: June 7, 2021, 11:59 PM
Total points: 16
The cover page of your homework will contain only the following
information in the format given below:
Name:
E-mail:
Course #: CS 5500
Homework #: Homework 3
Semester: Summer 2021
1. [4 pts] In the priority scheduling, if a priority can be represented using 10 bits and the
priority of a waiting process gradually increases by 1 every 1 minute, then what would be
the maximum waiting time of the lowest priority process?
2. [6 pts] Given the following information:
Process: A B C D E F
Arrival Time: 0 2 4 6 8 10
CPU Burst: 3 6 4 8 5 7
Draw a Gantt chart that illustrate the execution of these processes using FCFS, SJF, and RR
(quantum = 2, ignoring context switching overhead). Compute the average waiting time and
average turnaround time for each scheduling algorithm.
3. [6 pts] Given the following information:
Process: A B C D E F
Arrival Time: 0 1 2 3 4 5
CPU Burst: 6 3 2 7 5 9
Draw a Gantt chart that illustrate the execution of these processes using FCFS, SJF, and RR
(quantum = 1, ignoring context switching overhead). Compute the average waiting time and
average turnaround time for each scheduling algorithm.
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