What is the difference between preemptive and non-preemptive scheduling?

Assignment 1

QUESTION 1: Briefly describe the three types of processor scheduling.

QUESTION 2: What is the difference between preemptive and non-preemptive scheduling?

There is a currently running process and a new process arrives. And OS moved the currently running process to the Ready state. What kind of scheduling policy is the OS’s selection function used for this case.?

QUESTION 3: You were given five processes with their arrival time and execution time for each in the table.

Process

Arrival time

Execution time

Processes A

0

4

Processes B

2

3

Processes C

3

4

Processes D

5

5

Develop the schedule (time diagram) for the following methods.

First-Come-First-Served (FCFS)

Round Robin

Shortest Process Next (SPN)

Assume the length of the time quantum, or slice is 1 (q=1)

Assignment 2

Describe how information may be distributed to the project stakeholders and the role information technology plays to support project communication.