Longest Job First (LJF) Non-Preemptive CPU Scheduling | TAT, WT, Gantt Chart Explained with Exam
🎯 Learn Longest Job First (LJF) Non-Preemptive Scheduling Algorithm in Operating Systems!
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In this video, you’ll get a complete explanation of the LJF Non-Preemptive Algorithm, including:
✅ Step-by-step problem solving
✅ Gantt chart construction
✅ Turnaround Time (TAT) & Waiting Time (WT)
✅ Average TAT and Average WT
✅ Solved Example with Arrival Time
📌 What You’ll Learn:
• What is LJF Non-Preemptive?
• How to calculate TAT and WT?
• How to draw the Gantt Chart?
• Advantages and limitations of LJF
📚 Great for:
• B.Tech / BCA / BSc CS students
• GATE / UGC NET aspirants
• Semester exams & viva prep
🕒 Chapters:
00:00 Introduction
01:20 LJF Explanation
03:10 Example Question
05:00 Gantt Chart
06:30 TAT & WT
08:00 ATAT & AWT
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