Operating System One Shot for IOCL GE CSE 2026 | Master All Concepts | Most Expected Questions

Master Operating Systems (OS) in this intensive One Shot session designed specifically for IOCL Graduate Engineer (GE) CSE 2026 aspirants! We cover all core concepts from basics to advanced levels, followed by the most expected questions to ensure you're exam-ready. In this video, you will learn: Process Management & Inter-Process Communication (IPC) CPU Scheduling Algorithms (FCFS, SRTF, Priority-based) Memory Management (Paging, TLB, Virtual Memory, Segmentation) Page Replacement Algorithms (LRU, FIFO, Optimal) Deadlocks (Prevention, Avoidance, Detection) Disk Scheduling (SCAN, SSTF, FCFS) This masterclass is a one-stop solution to ace the OS section of the IOCL GE recruitment exam. Don't forget to check out our DBMS One Shot as well! Timestamps 00:00 Introduction & Session Overview 00:36 Q1: Inter-Process Communication (IPC) Mechanisms (Pipes, Queues, Shared Memory) 05:11 Q2: Page Table Entry Components 06:40 Q3: Standard Synchronization Problems (Semaphore) 07:07 Q4: Signal V Operation on Semaphores 08:11 Q5: Semaphores and Deadlocks Accuracy 09:42 Q6: Dining Philosopher Problem Generalization 10:12 Q7: Process Control Block (PCB) & Hardware Faults 12:01 Q8: Context Switching (Process A to B) 13:10 Q9: Synchronization Code Analysis (Mutual Exclusion & Deadlock) 19:35 Q10: Priority-Based Preemptive Scheduling (Gantt Chart & Completion Time) 27:52 Q11: Waiting Time Calculation Formula 28:12 Q12: CPU Bound vs I/O Bound Process Scheduling 30:05 Q13: Multi-threading Models (Many-to-One Blocking) 31:01 Q14: Page Replacement (LIFO vs LRU Policy) 33:43 Q15: Memory Access Order (TLB, Cache, Main Memory) 34:45 Q16: Dual Mode of Operation (User vs Kernel Mode) 37:31 Q17: Deadlock Conditions & Resource Allocation 40:40 Q18: Process States (Running & Blocked in N-CPU System) 42:01 Q19: Virtual Address Translation & Tag Bits Calculation 44:27 Q20: TLB Entry & Tag Bits Numerical 47:37 Q21: Minimum Tag Bits with Protection Bits 52:15 Q22: Set-Associative TLB Mapping 54:02 Q23: Master Question - Page Table Size, Frames, and Entries 57:35 Q24: Page Table Size Numerical (2MB Case) 59:51 Q25: Demand Paging & Effective Memory Access Time (EMAT) 01:07:46 Q26: Belady’s Anomaly in Page Replacement 01:08:55 Q27: Disk Scheduling (FCFS Total Time Calculation) 01:12:52 Q28: LRU Page Replacement (Page Fault Calculation) 01:21:15 Q29: File Allocation Methods (Sequential vs Random Access) 01:24:33 Q30: SCAN vs SSTF Head Movement Comparison 01:30:01 Q31: Two-Level Page Table EMAT Calculation 01:31:30 Q32: Virtual Address Length Support 01:35:03 Q33: Binary Semaphores Properties 01:36:12 Q34: Process Execution & Print Output 01:37:30 Q35: Non-Preemptive Scheduling Algorithms 01:37:48 Q36: Shared Resources in Threads 01:39:12 Q37: Concurrent Process & State Transitions 01:42:25 Q38: Highest Response Ratio Next (HRRN) Behavior 01:42:47 Q39: SRTF Scheduling with Context Switch Time (CPU Utilization) 01:51:09 Q40: Inverted Page Table Entries 01:53:24 Final Summary & Homework Discussion 🔗 𝑪𝒐𝒏𝒏𝒆𝒄𝒕 𝒘𝒊𝒕𝒉 𝑺𝒒𝒖𝒊𝒓𝒓𝒆𝒍 𝑰𝑰𝑻𝑴 📸 𝑰𝒏𝒔𝒕𝒂𝒈𝒓𝒂𝒎: https://www.instagram.com/squirrel.li... 📢 𝑻𝒆𝒍𝒆𝒈𝒓𝒂𝒎: https://t.me/GATE_CSE_2026_discussion ▶️ LinkedIn : https://www.linkedin.com/in/nishant-s... ▶️ Book your 1:1 Session on Topmate : topmate.io/nishant_shukla02 Stay Connected & Support: 🔔 Subscribe and hit the bell icon to never miss our "One Shot" series! 💬 Have a doubt? Drop it in the comments below—I’ll be happy to help. 📚 Join our Telegram group for the PDF notes of this session and exam update #IOCLGE2026 #OperatingSystem #CSEPreparation #OneShot #PSUJobs IOCL GE CSE 2026, IOCL Graduate Engineer Recruitment 2026, IOCL CSE preparation, IOCL Operating Systems questions, IOCL GE computer science, IOCL recruitment 2026 exam date, IOCL syllabus for CSE,Operating System One Shot, OS full course for GATE, Master Operating Systems CSE, CPU Scheduling algorithms, Paging and Segmentation, Deadlock prevention and avoidance, Memory Management in OS, Disk Scheduling algorithms, Inter-Process Communication (IPC), Process Control Block (PCB),most expected questions for IOCL GE, OS numerical problems for competitive exams, Operating Systems masterclass, OS crash course for CSE, engineering recruitment exam prep, OS important topics for PSU exams, IOCL GE technical section preparation,computer science engineering exams, PSU recruitment for CSE, OS concepts for interviews, GATE CSE 2027 preparation, technical interview OS questions