Baithak 15: Number Representation | Sign Magnitude, 1’s Complement & 2’s Complement &|Range Formula

Welcome to the next lecture of DSA Ki Baithak 🚀 In this video, we go deep into one of the most important and often confusing topics in programming — Number Representation in Computers. Have you ever wondered how a computer stores positive & negative numbers, and how we can calculate the range for data types? This lecture answers all of that with clear intuition and step-by-step explanation and builds the strong base for the bit manipulation (next level). 📌 Topics Covered in this Video: ✔ How positive numbers are stored in computer system ✔ Why we need special methods to represent negative numbers ✔ Sign Magnitude representation ✔ 1’s Complement (with drawbacks) ✔ 2’s Complement (most important) ✔ How to calculate the range of data types 🔥 Deep Understanding Included ✔ Why Sign Magnitude fails ✔ Why 1’s Complement is not used ✔ How 2’s Complement solves all problems ✔ Step-by-step conversion to 2’s complement ✔ Binary understanding with examples ✔ Range Formula for Data Types 📌 Ranges & Memory Concepts ✔ Formula to calculate range using n bits ✔ Range of different data types in Java ✔ Understanding MSB (sign bit) 💡 This lecture is explained with: • Visual understanding • Step-by-step binary conversion • Detailed examples 🚀 Start Full DSA Journey Here 👇 👉 DSA Ki Baithak Playlist: https://youtube.com/playlist?list=PL1BYMIEBKFbL-rB30HaDrk9lYWVBhHUJV&si=PFmpTBgDzgMY_Yuy If you want to build strong fundamentals and real problem-solving skills, this playlist is for you 💯 📄 Notes & Code: 🔗 GitHub Repository: https://github.com/Code-Baithak/DSA-ki-baithak 👥 Join WhatsApp Community: 🔗 Join Here: https://whatsapp.com/channel/0029VbCIS7uCxoAqot7Zjg3h 🎯 Who should watch this? • Java beginners • DSA learners • Students preparing for placements • Anyone struggling with binary / number system 🚀 After this video, you will: ✔ Understand how computers actually store numbers ✔ Never get confused about negative numbers ✔ Learn how to make binary form of negative numbers ✔ Build strong base for bit manipulation (next level) 📌 Hashtags #Java #NumberSystem #Binary #DSA #Programming #LearnJava #CodingInterview #BitManipulation