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📘 Welcome to Lecture on Logic Gates – Class 9 Computer Science (New Book 2025, Punjab Board & Federal Board).
This video is part of Chapter 3: Digital Systems and Logic Design from the latest syllabus of 9th Class Computer Science and Entrepreneurship 2025.

In this lecture, we cover one of the most important exam-oriented topics: Logic Gates (AND, OR, NOT, NAND, XOR). Logic gates are the basic building blocks of digital systems and are frequently asked in board exams, MCQs, short questions, and long questions.

🔎 What You Will Learn in This Lecture:

1️⃣ Definition of Logic Gates – What are logic gates and why are they important in digital systems.
2️⃣ Types of Logic Gates – AND Gate, OR Gate, NOT Gate, NAND Gate, XOR Gate.
3️⃣ Truth Tables – Step-by-step explanation of each gate with symbols, inputs, and outputs.
4️⃣ Examples – Simple and easy examples for better understanding.
5️⃣ Exam Preparation – Board exam oriented tips, important questions, and short notes.

📌 Why This Lecture is Important?

✔ Covers core concepts of Digital Logic for Class 9.
✔ Helps in solving board exams MCQs, short questions, and long questions.
✔ Based on Punjab Textbook Board (PCTB) New Book 2025.
✔ Clear explanation in Urdu + English mix for easy understanding.
✔ Includes truth tables and real-life examples of logic gates.

📝 Topics Covered in this Lecture:

Introduction to Logic Gates

Definition and Importance of Logic Gates

Types of Logic Gates (AND, OR, NOT, NAND, XOR)

Truth Tables of Each Logic Gate

Applications of Logic Gates in Computers and Digital Systems

Summary and Important Board Exam Questions

⏰ Time Stamps (SEO Optimized)

0:00 Channel Intro
0:10 What topic will be discussed? (Logic Gates – Hook)
0:25 What are Logic Gates? Definition explained
0:57 Types of Logic Gates (AND, OR, NOT, NAND, XOR)
1:23 OR Gate explained with Truth Table
1:56 AND Gate explained with Truth Table
2:29 NOT Gate explained with Truth Table
2:53 NAND Gate explained with Truth Table
3:39 XOR Gate explained with Truth Table
5:01 Summary of Lecture
5:20 Important Questions for Board Exams (Guidance)
5:30 Subscribe to Easy Computers with Abdullah

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