Lec-23 Disk Scheduling Algorithms in OS | FCFS, SSTF, SCAN, C-SCAN, LOOK with Numericals

In this lecture, we will discuss Disk Scheduling Algorithms in Operating System, including: ✔️ FCFS (First Come First Serve) ✔️ SSTF (Shortest Seek Time First) ✔️ SCAN (Elevator Algorithm) ✔️ C-SCAN (Circular SCAN) ✔️ LOOK Algorithm Disk scheduling is an important topic in secondary storage management and frequently asked in BCI, SCI, EMRS, TGT/PGT Computer Science and other competitive exams, especially in numerical form. 📌 Topics Covered in This Video: ✔️ What is Disk Scheduling? ✔️ Need of Disk Scheduling Algorithms ✔️ FCFS Algorithm ✔️ SSTF Algorithm ✔️ SCAN (Elevator) Algorithm ✔️ C-SCAN Algorithm ✔️ LOOK Algorithm ✔️ Total Seek Time Calculation ✔️ Step-by-Step Numerical Examples ✔️ Comparison of All Algorithms ✔️ Advantages & Disadvantages All algorithms are explained in simple Hindi + English mix language with exam-oriented numerical solutions. 🎯 Important For: Rajasthan Basic Computer Instructor (BCI) Senior Computer Instructor (SCI) EMRS Computer Science TGT/PGT Computer Science University Semester Exams All Computer Science Competitive Exams ------------------------------------------------------------------------ Basic Computer Instructor - https://computech.classx.co.in/course... Basic Computer Instructor - https://computech.classx.co.in/course... 📱 App → https://play.google.com/store/apps/de... 💻 Welcome to Computech Academy! 🎓✨ This channel is dedicated to students preparing for Computer Instructor & Computer Science Government Exams with a focus on concept clarity, syllabus coverage, PYQs, and exam-oriented strategies. 🎯 Exams We Cover: 🔹 Computer Teacher, Basic & Senior Computer Instructor (Computer Anudeshak), Suchna Sahayak, BPSC TRE 4.0, STET, UP LT Grade, DSSSB, KVS, NVS, GATE (CS/IT), UGC NET & JRF, Other Computer Science Competitive Exams ------------------------------------------------------------------------ 👨‍🏫 About Sunil Yadav Sir ✅ All India Rank 07 in UGC JRF Computer Science ✅ Pursuing Ph.D. from Central University of Rajasthan, Ajmer ✅ Taught 10,000+ aspirants preparing for computer-related govt. exams ✅ Known for result-oriented teaching & expert strategies ------------------------------------------------------------------------ 📂 Related Playlists: Computer Instructor Test Paper Solution:-    • Computer Instructor (कंप्यूटर अनुदेशक) Top...   Operating System Lecture:-    • Operating System   Computer Instructor Model Paper:-    • Model Paper Computer Instructor   Computer Network Theory:-    • Computer Network   Suchna Sahayak Test Solution (Informatics Assistant):-    • Test Solution IA   RPSC Programmer DPP Test:-    • Programmer DPP Solution   ------------------------------------------------------------------------ 🌐 Join CompuTech Academy Community: 🌐 Website → https://computech.classx.co.in/ 💬 Telegram → https://t.me/quanta_ins_cs 📸 Instagram → https://www.instagram.com/sunilyadavs... 📞 Contact → 9694473047 ------------------------------------------------------------------------ 🔔 Stay Connected & Learn More 👉 Subscribe here → https://www.youtube.com/@ComputechAca... 👍 Like • 💬 Comment • 📤 Share with friends preparing for exams #ComputechAcademy #Computer #ComputerInstructor #UGCNETCS #SunilYadavSir ✨ Computech Academy – Where Computer Science Aspirants Build Careers! ✨