OPERATING SYSTEMS ASSIGNMENT
Question One
For the following resource-allocation graph draw the corresponding wait-for graph and confirm if there exist a deadlock or not.
Question Two
More than one process can be executed by a single processor using multi-programing or multi-tasking. How can this be achieved on a uniprocessor system?
Question Three
Following table contains five processes with their length of the CPU burst given in milliseconds. (1 + 0.5 + 0.5 = 2 Marks)
|
Processes
|
Burst Time (ms)
|
|
P1
|
17
|
|
P2
|
8
|
|
P3
|
12
|
|
P4
|
5
|
|
P5
|
9
|
Answer the following questions using Round-Robin scheduling algorithm with a time quantum of 4 milliseconds and show all the calculations.
a) Draw a Gantt chart to show round-robin scheduling.
b) Calculate the waiting time for each process using round-robin scheduling.
c) Calculate the average waiting time.
Question Four
Describe the operating system's two modes of operation. Distinguish between system and application programs.
Format your assignment according to the following formatting requirements:
1. The answer should be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides.
2. The response also include a cover page containing the title of the assignment, the student's name, the course title, and the date. The cover page is not included in the required page length.
3. Also Include a reference page. The Citations and references should follow APA format. The reference page is not included in the required page length.