HRRN Scheduling Algorithm Explained 👨💻 | Highest Response Ratio Next | TAT, WT, Gantt Chart
📘 HRRN (Highest Response Ratio Next) Scheduling Algorithm | Non-Preemptive CPU Scheduling 💻
In this video, we explain HRRN Scheduling step-by-step with:
✅ Clear explanation
📊 Gantt Chart
🧮 TAT (Turnaround Time), WT (Waiting Time)
📈 Average TAT & WT Calculations
🧠 Real example with arrival & burst time
🔍 Why HRRN?
HRRN improves scheduling by reducing starvation and giving higher priority to older processes by calculating the response ratio:
Response Ratio = (Waiting Time + Burst Time) / Burst Time
📚 Perfect for:
• 🎓 B.Tech / BCA / BSc (CS/IT) Students
• 📝 OS Assignments & Viva
• 🧠 GATE & NET Preparation
🕒 Timestamps:
00:00 Intro
01:15 What is HRRN?
02:40 Example Problem
04:30 Gantt Chart
06:00 TAT & WT
07:30 Average Calculations
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