| Priority Scheduling | Round-Robin (RR) |
|---|---|
| Priority Scheduling executes the processes according to the priority i.e. process with higher priority is executed first. | Round-Robin (RR) executes the processes based upon the time quantum defined i.e. each process is executed for a fixed amount of time. |
| Priority Scheduling is both preemptive and non-preemptive in nature. | Round-Robin (RR) is preemptive in nature. |
| The average waiting time and average response time is unknown beforehand. | The average waiting time for given set of processes is quite small and depends on the time quantum. |
| It is easy to implement and best suited for real time operating systems. | It is quite easy to implement RR in any system. |
| The problem of blocking of a process can be solved using aging. |
Each process is executed and every user feels that his work is being done as the CPU gives equal amount of time to each process. |
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What are the differences between priority scheduling and round robin scheduling?
6. Draw GANTT charts (plots of activity vs. time) for the Round Robin and Priority scheduling strategies for the following jobs (assume larger numbers mean higher priority and that the time quantum is 2): (10 marks ) Job Arrival Time Duration Priority tam What is the average waiting time under each scheme? Time → Average wait time for round robin is: PRIORITY Time → Average wait time for round robin is:
The following processes are being scheduled using a pre-emptive, priority-based, round-robin scheduling algorithm. Process Burst Time Priority Arrival 20 20 0 20 25 45 55 5 5 5 15 Each process is assigned a numerical priority, with a higher number indicating a higher relative priority. The scheduler will execute the highest-priority process. For processes with the same priority, a round-robin scheduler will be used with a time quantum of 10 units. If a process is pre-empted by a higher-priority process,...
What is a solution to the problem of having a deadlock in a Round Robin scheduling system
4) What is the Round robin CPU scheduling? 5) What is an absolute file path? 6) What is a Modem?
Given CPU-bound tasks and a choice between FIFO and Round-Robin scheduling algorithms, choose the best algorithm for each of the following systems and specify why you chose the algorithm. 1) multiprogrammed batch system: 2) Interactive, time-sharing system: * CPU Scheduling
a) (25 pts) In round-robin scheduling, explain what size time quantum should be given to CPU bound and I/O bound processes. b) (25 pts) When using the Banker’s algorithm for resource allocation, if the system is in an unsafe state, will that always lead to deadlock? Explain your answer! c) (25 pts) Name and explain at least one difference between a mutex and binary semaphore. d) (25 pts) What is a race condition? Provide sample pseudo-code to illustrate your answer
Assume a dynamic queue which is serviced by a Priority Based Round Robin algorithm such that there exists three priorities (1,2,3) which are used as multipliers of the basic time quantum value with the resulting number being the maximum service time the corresponding job will receive each time it gets the CPU. For a maximum amount of time equal to 1 basic time quantum , a priority 2 job gets the CPU for the maximum amount of time equal to...
Part 2 Round Robin Scheduling Process Burst Time in Ms P1 4 P2 2 P3 1 Calculate the average waiting time and turnaround time using round robin scheduling, where the time quantum q = 2 ms According to the Round Robin algorithm, the arrival of processes is shown in the following Gantt chart. P1 P2 P3 P1 P2 P3 P1 P2 P3 P1 0 2 4 6 8 10 12 14 15 16 18...
Java program The round-robin scheduling problem: using queue There are n processes in a queue. Each process has namei and timei. The round-robin scheduling handles the processes in order. A round-robin scheduler gives each process a quantum (a time slot) and interrupts the process if it is not completed by then. The process is resumed and moved to the end of the queue, then the scheduler handles the next process in the queue. For example, we have the following queue...
Solve by Round Robin Scheduling, Quantum = 3 (preemptive). Calculate the average waiting time: Process Arrival Time Execution Time РО 5 P1 1 3 P2 N 8 P3 3 6