Shortest Job First (SJF) CPU Scheduling Algorithm || SJF Example 1 || Operating System
In this video, we explain the Shortest Job First (SJF) CPU Scheduling Algorithm in Operating Systems with a step-by-step solved example.
SJF is a non-preemptive CPU scheduling algorithm that selects the process with the smallest burst time, making it optimal for minimizing average waiting time.
📘 Topics Covered:
✅ What is SJF Scheduling Algorithm?
✅ Types of SJF (Non-Preemptive vs Preemptive overview)
✅ Assumptions and working of SJF
✅ SJF Example (Solved Step by Step)
✅ Gantt Chart construction
✅ Calculation of Waiting Time
✅ Calculation of Turnaround Time
✅ Average Waiting Time & Turnaround Time
✅ Advantages and Disadvantages of SJF
✅ Why SJF gives minimum average waiting time
✅ Important points for GATE CS & university exams
This lecture is extremely useful for B.Tech / BCA / MCA students, GATE aspirants, and anyone preparing CPU scheduling numericals in Operating Systems.
👉 Watch till the end to master SJF scheduling problems, which are frequently asked in GATE, semester exams, and interviews.
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