QUESTION 1: Briefly describe the three types of processor scheduling. QUESTION 2

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)
Your name must be on the timing diagram