Informatika | Sistem Operasi | Algoritma Round Robin (RR) | Penjadwalan Proses | Kelas X | Bahas

Summary

In this video, Pojo demonstrates how to use the Round Robin scheduling algorithm for process scheduling in CPU management. Through a detailed example with four processes (A, B, C, D), each with different arrival times and execution durations, Pojo explains how the algorithm cycles through these processes in time slots, ensuring fair allocation of CPU time. The video visually illustrates the scheduling process using color-coded tables and step-by-step breakdowns to help viewers understand how the algorithm works in practice and how each process is handled according to the predefined quantum.

Takeaways

• 😀 The video discusses the Round Robin scheduling algorithm used for managing process execution in operating systems.
• 📊 Four processes (A, B, C, D) are analyzed with specific arrival and execution times.
• ⏰ Process A arrives at time 2 with an execution time of 2, while Process B arrives at time 0 with an execution time of 4.
• 🔄 The Round Robin algorithm uses a quantum time of 2 units to allocate CPU time to each process.
• ✏️ The tutorial emphasizes the importance of organizing processes by their arrival times for effective scheduling.
• 🔍 A visual table is created to track the execution timeline and the status of each process during the simulation.
• 📅 The execution steps are detailed minute by minute, highlighting how processes are queued and executed.
• ✅ Each process has specific moments of execution, and care is taken to track remaining execution times.
• 🎉 The tutorial aims to provide clarity on CPU scheduling, encouraging viewers to understand the concept through practical examples.
• 👋 Pojo concludes by inviting viewers to engage with future content related to scheduling and process management.

Q & A

What is the main topic discussed in the video?

The main topic discussed is process scheduling simulation, specifically using the Round Robin algorithm.

How many processes are being considered in the simulation?

There are four processes being considered: A, B, C, and D.

What are the arrival times and execution times for each process?

Process A: Arrival time 2, Execution time 2; Process B: Arrival time 0, Execution time 4; Process C: Arrival time 1, Execution time 1; Process D: Arrival time 3, Execution time 2.

What is the time quantum used in the Round Robin scheduling?

The time quantum used is 2.

What happens at minute 0 in the scheduling process?

At minute 0, Process B arrives and begins execution.

When does Process C begin execution?

Process C begins execution at minute 2, after Process B has executed for its quantum.

What does the term 'waiting queue' refer to in this context?

The waiting queue refers to the processes that have arrived but are waiting for their turn to be executed by the CPU.

How is the remaining execution time of each process tracked?

The remaining execution time is tracked by subtracting the executed time from the total execution time for each process after each time quantum.

What is the significance of using colors in the table during the explanation?

The colors help differentiate between the processes and their statuses (e.g., waiting, executing, completed), making it easier to follow the simulation.

What is the final outcome of the scheduling simulation?

The final outcome shows the order and timing of each process's execution, demonstrating how Round Robin scheduling manages multiple processes.